APA (7th ed.) Citation

Bonhoeffer, D., & De Gruchy, J. W. (2010). Letters and papers from prison (1st English-language ed.). Fortress Press.

Chicago Style (17th ed.) Citation

Bonhoeffer, Dietrich, and John W. De Gruchy. Letters and Papers from Prison. 1st English-language ed. Minneapolis: Fortress Press, 2010.

MLA (9th ed.) Citation

Bonhoeffer, Dietrich, and John W. De Gruchy. Letters and Papers from Prison. 1st English-language ed. Fortress Press, 2010.