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How to Cite Your Sources

A guide to some of the citation styles

APA Style Guide

For online APA 7th edition answers, check out APA's  free online seventh edition style and grammar guidelines.

Online Resources

General Rules

  • All citations should be double spaced; Indent after the first line of each entry
  • Alphabetize by the first word of the entry; entries are not numbered
  • Editions of books are noted after the title in the following format: (2nd ed.) First editions are not listed as such. If no edition is listed, omit the edition section
  • Italics must be used for book and periodical titles
  • Capitalize ONLY the first word of a title, the first word of a subtitle, and proper nouns in titles of books and articles, no matter how they appear in a database or catalog
  • Use the abbreviations p. or pp. only for multi-page newspaper articles, encyclopedia entries, and chapters or articles in edited books; Do not use the abbreviation p. or pp. (or any other abbreviation) for magazine and journal articles
  • Dates are in Year, Month Day format (e.g., 1999, December 20)
  • If no author is listed, begin with the title
  • The date is in parenthesis after the author's name (or title if no author is listed)
  • Use (n.d.) if no date is given
  • Personal Communication includes private letters, memos, some electronic communication (i.e. email or messages from nonarchival discussion groups), personal interviews, telephone conversations, etc. Cite personal communications in text only.