Cita APA (7th ed.)

Leonard, J. (1973). This pen for hire: By John Leonard. Doubleday.

Cita Chicago (17th ed.)

Leonard, John. This Pen for Hire: By John Leonard. Garden City, NY: Doubleday, 1973.

Cita MLA (8th ed.)

Leonard, John. This Pen for Hire: By John Leonard. Doubleday, 1973.