APA

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

Chicago

Tappan Paul Wilbur, . 1949. Juvenile delinquency. New York: McGraw-Hill Book Co.

Harvard

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

MLA

Tappan Paul Wilbur, . Juvenile delinquency. New York: McGraw-Hill Book Co. 1949.