Cita APA (7a ed.)

Lerner, R. M., & Hultsch, D. F. (1983). Human development: A life-span perspective (2. [print.].). McGraw-Hill.

Cita Chicago Style (17a ed.)

Lerner, Richard M., y David F. Hultsch. Human Development: A Life-span Perspective. 2. [print.]. New York [u.a.]: McGraw-Hill, 1983.

Cita MLA (9a ed.)

Lerner, Richard M., y David F. Hultsch. Human Development: A Life-span Perspective. 2. [print.]. McGraw-Hill, 1983.