Cita APA (7a ed.)

Rogers, C. J. (2007). The Middle Ages. Greenwood Press.

Cita Chicago Style (17a ed.)

Rogers, Clifford J. The Middle Ages. Westport (Connecticut) ; London: Greenwood Press, 2007.

Cita MLA (9a ed.)

Rogers, Clifford J. The Middle Ages. Greenwood Press, 2007.