Cita APA (7a ed.)

Salkind, N. J. (1981). Theories of human development. Van Nostrand.

Cita Chicago Style (17a ed.)

Salkind, Neil J. Theories of Human Development. New York [u.a.]: Van Nostrand, 1981.

Cita MLA (8a ed.)

Salkind, Neil J. Theories of Human Development. Van Nostrand, 1981.