Cita APA (7a ed.)

Walker, R. N. (1973). Psychology of the youthful offender (2. ed.). Thomas.

Cita Chicago Style (17a ed.)

Walker, Robert N. Psychology of the Youthful Offender. 2. ed. Springfield, Ill: Thomas, 1973.

Cita MLA (9a ed.)

Walker, Robert N. Psychology of the Youthful Offender. 2. ed. Thomas, 1973.