APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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