Cita APA (7a ed.)

West Virginia University, Life Span Developmental Psychology Conference, & Callahan, E. J. (1983). Life-span developmental psychology: Nonnormative life events. Academic Press.

Cita Chicago Style (17a ed.)

West Virginia University, Life Span Developmental Psychology Conference, y Edward J. Callahan. Life-span Developmental Psychology: Nonnormative Life Events. New York [u.a.]: Academic Press, 1983.

Cita MLA (9a ed.)

West Virginia University, et al. Life-span Developmental Psychology: Nonnormative Life Events. Academic Press, 1983.