Cita APA (7a ed.)

Smith, C. E. (1972). Papal enforcement of some medieval marriage laws. Kennikat Press.

Cita Chicago Style (17a ed.)

Smith, Charles Edward. Papal Enforcement of Some Medieval Marriage Laws. Port Washington, N.Y.: Kennikat Press, 1972.

Cita MLA (8a ed.)

Smith, Charles Edward. Papal Enforcement of Some Medieval Marriage Laws. Kennikat Press, 1972.