The reformation a brief history.

MLA

Appold, Kenneth G. The Reformation: a Brief History. Malden: Wiley-Blackwell, 2011.

APA

Appold, K. G. (2011). The reformation: a brief history. Malden: Wiley-Blackwell.

Chicago

Appold, Kenneth G. The Reformation: A Brief History. Malden: Wiley-Blackwell, 2011.