Cita APA (7th ed.)

Tappan, P. W. (1949). Juvenile delinquency. McGraw-Hill Book Co..

Cita Chicago (17th ed.)

Tappan, Paul W. Juvenile Delinquency. New York: McGraw-Hill Book Co., 1949.

Cita MLA (9th ed.)

Tappan, Paul W. Juvenile Delinquency. McGraw-Hill Book Co., 1949.

Atenció: Aquestes cites poden no estar 100% correctes.