APA (7th ed.) Citation

Reader's Digest Association & Reader's Digest Association. (1991). Reader's Digest Condensed Books :: Vol. 1 1991. Reader's Digest Association.

Chicago Style (17th ed.) Citation

Reader's Digest Association and Reader's Digest Association. Reader's Digest Condensed Books :: Vol. 1 1991. Pleasantville, N.Y.: Reader's Digest Association, 1991.

MLA (9th ed.) Citation

Reader's Digest Association and Reader's Digest Association. Reader's Digest Condensed Books :: Vol. 1 1991. Reader's Digest Association, 1991.