Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Tappan, Paul Wilbur. Juvenile Delinquency. New York: McGraw-Hill, 1949.

Cita MLA (9th ed.)

Tappan, Paul Wilbur. Juvenile Delinquency. McGraw-Hill, 1949.