Cita APA (7a ed.)

Schell, R. E. (1975). Developmental psychology today (2nd.ed.). Random.

Cita Chicago Style (17a ed.)

Schell, Robert E. Developmental Psychology Today. 2nd.ed. New York: Random, 1975.

Cita MLA (9a ed.)

Schell, Robert E. Developmental Psychology Today. 2nd.ed. Random, 1975.