APA (7th ed.) Citation
Reader's Digest Association. (1987). ABC's of the human body: A family answer book. Reader's Digest Association.
Chicago Style (17th ed.) Citation
Reader's Digest Association. ABC's of the Human Body: A Family Answer Book. Pleasantville, N.Y.: Reader's Digest Association, 1987.
MLA (9th ed.) Citation
Reader's Digest Association. ABC's of the Human Body: A Family Answer Book. Reader's Digest Association, 1987.
Warning: These citations may not always be 100% accurate.