Cita APA (7a ed.)

Tappan, P. W. (1949). Juvenile delinquency (1. ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Tappan, Paul W. Juvenile Delinquency. 1. ed. New York [u.a.]: McGraw-Hill, 1949.

Cita MLA (9a ed.)

Tappan, Paul W. Juvenile Delinquency. 1. ed. McGraw-Hill, 1949.