Cita APA (7a ed.)

Sigel, I. E. (1985). Advances in applied developmental psychology. Ablex.

Cita Chicago Style (17a ed.)

Sigel, Irving E. Advances in Applied Developmental Psychology. Norwood: Ablex, 1985.

Cita MLA (8a ed.)

Sigel, Irving E. Advances in Applied Developmental Psychology. Ablex, 1985.