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Citing Sources

Guides & Sample Papers

The OWL at Purdue provides resources that may useful for writing projects & citation help.

Click here for a full-length self-paced online tutorial from the APA's website.

Publication Manual

Copies of the Publication Manual are found in the reference and check out collections of the Philadelphia Campus Library and the Newtown LRC.

Choose a Research Guide

E-book Sources: General Guidelines

The following information identifies where the E-book can be found. The exact components included in your citation may vary depending on what you are citing.

  • Author or editor of E-book
  • Date of publication
  • Chapter Title
  • Italicize the title of the E-book
  • Edition
  • Volume number (if E-book is from a multi-volume set)
  • [version of the E-book] if applicable
  • DOI Number or URL

NOTE: Please see the Print Books guide for more information about citing books and book chapters (electronic or print) with multiple authors, editors, no author, organization as author, or translators.

Select an example from the list on the left. Does your E-book have a DOI number?

Special Formatting for E-books

Below are special considerations when formatting E-book references.

  • Include authors' last names and both initials. Do not write out authors' first names.
  • List all authors in the same order listed on the title page, up to seven authors. (See examples from Print Books guide: up to seven authors and  eight or more authors.)
  • For an edited book, list the editors' names first. Note (Ed.) or (Eds.) in parentheses after the last name editor's name.
  • If there is no publication date, use (n.d.) after author or editor's name(s).
  • Include information about editions, volumes, and page numbers in parentheses after the title.
  • If you only used one chapter of the book, only reference that chapter. (See example.)
  • Include DOI number if available. If not available, include the URL where the E-book was retrieved. (see examples below)
  • Do not include publishing information (place of publication, publisher) if ending the citation with a DOI number or URL.

E-book

Entire E-book retrieved from Ebsco's eBooks Collection (no DOI)

  • If no DOI number is available, include the URL at the end of the citation.
  • If including DOI number or URL, do not include publisher name or location.
  • Please see the Print Books guide for more information about citing books with multiple authors, editors, no author, organization as author, or translators.

Klein, M. W., & Lee, C. (2006). Street gang patterns and policies: Studies in crime and public policy. Retrieved from

     http://search.ebscohost.com

E-book Chapter with No DOI Number

E-book chapter from eBooks on Ebscohost (no DOI)

  • If no DOI number is available, include the URL at the end of the citation.
  • If including DOI number or URL, do not include publisher name or location.
  • Below is example of a book chapter when all chapters are written by the same authors (no editor). For more information about citing book chapters, see examples in the Print Books guide.

Klein, M. W., & Lee, C. (2006). Gang crime patterns. In Street gang patterns and policies: Studies in crime and public policy

     (pp. 68-87). Retrieved from http://search.ebscohost.com

E-book Chapter with DOI Number

E-book chapter from PsycBOOKS (with DOI)

  • If the DOI number is available, include it at the end of the citation. If including DOI number or URL, do not include publisher name or location.
  • Below is an example from an edited book. The book has an editor, and every chapter is written by a different author. For more information about including editors in book chapter citations, see example from the Print Books guide.

Schmit, M. J. (2008). Managing your consulting career. In J. W. Hedge & W. C. Borman (Eds.), The I/O consultant: Advice

     and insights for building a successful career (pp.37-43). doi:10.1037/11755-005

E-version of Print Book (from Web)

  • Electronic version of a print book, obtained from a website, no DOI available.
  • Begin with author of book (last name, initials), date of publication, and book title in italics.
  • If including DOI number or URL, do not include publisher name or location.

James, W. (1890). The principles of psychology (Vol. 1). Retrieved from http://psychclassics.yorku.ca/

E-book Downloaded for E-Reader

  • Begin with author of book (last name, initials), date of publication, and book title in italics.
  • Include the version of the E-book in [square brackets] if available.
  • If including DOI number or URL, do not include publisher name or location.

Lang, J. D. (2006). Memoirs of a middle school counselor [Kindle version]. Retrieved from http://www.amazon.com

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