APA (7th ed.) Citation

Hammerling, R. (2008). A history of prayer: The first to the fifteenth century. Brill's companions to the Christian tradition.

Chicago Style (17th ed.) Citation

Hammerling, Roy. "A History of Prayer: The First to the Fifteenth Century." Brill's Companions to the Christian Tradition 2008.

MLA (8th ed.) Citation

Hammerling, Roy. "A History of Prayer: The First to the Fifteenth Century." Brill's Companions to the Christian Tradition, 2008.

Warning: These citations may not always be 100% accurate.