Cita APA (7a ed.)

Steinfeld, B. I. (1990). Adolescent development and psychopathology. [s.n.].

Cita Chicago Style (17a ed.)

Steinfeld, Bradley I. Adolescent Development and Psychopathology. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Steinfeld, Bradley I. Adolescent Development and Psychopathology. [s.n.], 1990.