Cita APA (7a ed.)

Hammerling, R. (2008). A history of prayer: The first to the fifteenth century. Brill.

Cita Chicago Style (17a ed.)

Hammerling, Roy. A History of Prayer: The First to the Fifteenth Century. Leiden: Brill, 2008.

Cita MLA (9a ed.)

Hammerling, Roy. A History of Prayer: The First to the Fifteenth Century. Brill, 2008.