APA (7e ed.) Bronvermelding

Sadler, W. S. (1948). Adolescence problems: A handbook for physicians, parents, and teachers. Mosby.

Chicago (17e ed.) Bronvermelding

Sadler, William Samuel. Adolescence Problems: A Handbook for Physicians, Parents, and Teachers. St. Louis: Mosby, 1948.

MLA (9e ed.) Bronvermelding

Sadler, William Samuel. Adolescence Problems: A Handbook for Physicians, Parents, and Teachers. Mosby, 1948.