Cita APA (7a ed.)

Jean Piaget Society. (1986). Cognitive development. Ablex Pub. Corp..

Cita Chicago Style (17a ed.)

Jean Piaget Society. Cognitive Development. Norwood, N.J.: Ablex Pub. Corp., 1986.

Cita MLA (9a ed.)

Jean Piaget Society. Cognitive Development. Ablex Pub. Corp., 1986.