Cita APA (7a ed.)

Setton, K. M., & Hazard, H. W. (1977). A history of the Crusades. University of Wisconsin.

Cita Chicago Style (17a ed.)

Setton, Kenneth M., y Harry W. Hazard. A History of the Crusades. Madison: University of Wisconsin, 1977.

Cita MLA (9a ed.)

Setton, Kenneth M., y Harry W. Hazard. A History of the Crusades. University of Wisconsin, 1977.