APA (7th ed.) Citation

Bellak, L. (1975). The best years of your life: A guide to the art and science of aging. Atheneum.

Chicago Style (17th ed.) Citation

Bellak, Leopold. The Best Years of Your Life: A Guide to the Art and Science of Aging. New York: Atheneum, 1975.

MLA (9th ed.) Citation

Bellak, Leopold. The Best Years of Your Life: A Guide to the Art and Science of Aging. Atheneum, 1975.