Cita APA (7a ed.)

Upton, P. (2012). Developmental psychology. Prentice Hall.

Cita Chicago Style (17a ed.)

Upton, Penney. Developmental Psychology. Harlow, England: Prentice Hall, 2012.

Cita MLA (8a ed.)

Upton, Penney. Developmental Psychology. Prentice Hall, 2012.