APA (7th ed.) Citation

Reader's Digest Association. (1991). Today's best nonfiction. Reader's Digest Association, Inc.

Chicago Style (17th ed.) Citation

Reader's Digest Association. Today's Best Nonfiction. Pleasantville, New York: Reader's Digest Association, Inc, 1991.

MLA (9th ed.) Citation

Reader's Digest Association. Today's Best Nonfiction. Reader's Digest Association, Inc, 1991.