DIRECTORY TO APA STYLE

1. One author
2. Multiple authors
3. Corporate or group author
4. Unknown author
5. Two or more works by the same author

   PRINT BOOKS

6. Basic format for a book

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7. Editor
8. Selection in a book with an editor
9. Translation
10. Edition other than the first
11. Multivolume work with an editor
12. Article in a reference work
13. Republished book
14. Introduction, preface, foreword, or afterword
15. Book with a title within the title

    PRINT PERIODICALS

16. Article in a journal paginated by volume
17. Article in a journal paginated by issue

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18. Article in a magazine
19. Article in a newspaper
20. Editorial or letter to the editor
21. Unsigned article
22. Review
23. Published interview

    DIGITAL WRITTEN-WORD SOURCES

24. Article from an online periodical
25. Article from a database

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26. Abstract for an online article
27. Report or long document from a Web site

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28. Chapter or section of a Web document
29. Short work from a Web site
30. Online book
31. Email message or real-time communication
32. Online posting
33. Blog (Web log) post
34. Wiki entry

    OTHER SOURCES (INCLUDING ONLINE VERSIONS)

35. Government publication
36. Data set
37. Dissertation
38. Technical or research report
39. Conference proceedings
40. Paper presented at a meeting or symposium, unpublished
41. Poster session
42. Presentation slides
43. Film, video, DVD, or Blu-ray
44. Online (streaming) audio or video file
45. Television program, single episode
46. Television series
47. Podcast (downloaded audio file)
48. Recording