APA (7th ed.) Citation

Callahan, E. J. (1983). Life-span developmental psychology: Nonnormative life events. Acad. Pr.

Chicago Style (17th ed.) Citation

Callahan, Edward J. Life-span Developmental Psychology: Nonnormative Life Events. New York u.a: Acad. Pr, 1983.

MLA (9th ed.) Citation

Callahan, Edward J. Life-span Developmental Psychology: Nonnormative Life Events. Acad. Pr, 1983.

Warning: These citations may not always be 100% accurate.