Cita APA (7th ed.)

Sharp, D. L. L. (1957). Why teach? Holt.

Cita Chicago (17th ed.)

Sharp, Delia Louise Larson. Why Teach? New York: Holt, 1957.

Cita MLA (9th ed.)

Sharp, Delia Louise Larson. Why Teach? Holt, 1957.