Cita APA

Liebert, R. M., & Poulos Wicks Rita. Developmental psychology. Prentice-Hall.

Citación estilo Chicago

Liebert, Robert M., and Poulos Wicks Rita. Developmental Psychology. New Jersey: Prentice-Hall.

Cita MLA

Liebert, Robert M., and Poulos Wicks Rita. Developmental Psychology. Prentice-Hall.