Cita APA (7a ed.)

Kail V. Robert & Rita Wicks- Nelson. (1993). Development Psychology (5th ed.). Prentice-Hall..

Cita Chicago Style (17a ed.)

Kail V. Robert y Rita Wicks- Nelson. Development Psychology. 5th ed. New Jersey: Prentice-Hall., 1993.

Cita MLA (9a ed.)

Kail V. Robert y Rita Wicks- Nelson. Development Psychology. 5th ed. Prentice-Hall., 1993.