APA (7th ed.) Citation

Steimer, B., & Parker, M. G. (2001). Dictionary of popes and the papacy. Crossroad Publishing Company.

Chicago Style (17th ed.) Citation

Steimer, Bruno, and Michael G. Parker. Dictionary of Popes and the Papacy. New York: Crossroad Publishing Company, 2001.

MLA (9th ed.) Citation

Steimer, Bruno, and Michael G. Parker. Dictionary of Popes and the Papacy. Crossroad Publishing Company, 2001.