APA Style

Reston, J. (2009). Defenders of the Faith: Christianity and Islam battle for the Soul of Europe, 1520-1536 (1st edition). London (England): Penguin.

MLA Style

Reston, James. "Defenders of the Faith: Christianity and Islam battle for the Soul of Europe, 1520-1536". 1st edition London (England): Penguin, 2009. Text.