APA

Quinn J. R. [., . (1999). The reform of the papacy. New York: Herder.

Chicago

Quinn John R [F], . 1999. The reform of the papacy. New York: Herder.

Harvard

Quinn J. R. [., . (1999). The reform of the papacy. New York: Herder.

MLA

Quinn John R [F], . The reform of the papacy. New York: Herder. 1999.