Cita APA (7th ed.)

Gardner, H. (1982). Developmental psychology: An introduction (2nd ed.). Little, brown.

Cita Chicago (17th ed.)

Gardner, Howard. Developmental Psychology: An Introduction. 2nd ed. Boston: Little, brown, 1982.

Cita MLA (9th ed.)

Gardner, Howard. Developmental Psychology: An Introduction. 2nd ed. Little, brown, 1982.