Cita APA (7th ed.)

Cannon, J. P., & Karsner, R. (1968). Letters from prison. Merit Publishers.

Cita Chicago (17th ed.)

Cannon, James Patrick, i Rose Karsner. Letters from Prison. New York: Merit Publishers, 1968.

Cita MLA (8th ed.)

Cannon, James Patrick, i Rose Karsner. Letters from Prison. Merit Publishers, 1968.