APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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