Cita APA (7th ed.)

Kettelkamp, G. C. (1954). Teaching adolescents. Heath.

Cita Chicago (17th ed.)

Kettelkamp, Gilbert Clarence. Teaching Adolescents. Boston: Heath, 1954.

Cita MLA (9th ed.)

Kettelkamp, Gilbert Clarence. Teaching Adolescents. Heath, 1954.