Cita APA (7a ed.)

Shaffer, D. R. (1999). Developmental psychology: Childhood and adolescence (5th ed.). Brooks-Cole.

Cita Chicago Style (17a ed.)

Shaffer, David R. Developmental Psychology: Childhood and Adolescence. 5th ed. Pacific Grove, California [etc.]: Brooks-Cole, 1999.

Cita MLA (9a ed.)

Shaffer, David R. Developmental Psychology: Childhood and Adolescence. 5th ed. Brooks-Cole, 1999.