Cita APA (7a ed.)

Spencer, T. D., & Kass, N. (1970). Perspectives in child psychology: Research and review. McGraw-Hill.

Cita Chicago Style (17a ed.)

Spencer, Thomas D., y Norman Kass. Perspectives in Child Psychology: Research and Review. New York: McGraw-Hill, 1970.

Cita MLA (9a ed.)

Spencer, Thomas D., y Norman Kass. Perspectives in Child Psychology: Research and Review. McGraw-Hill, 1970.