Cita APA (7th ed.)

Kelly, J. (1996). The Oxford dictionary of popes. O.U.P.

Cita Chicago (17th ed.)

Kelly, J.N.D. The Oxford Dictionary of Popes. New York: O.U.P, 1996.

Cita MLA (9th ed.)

Kelly, J.N.D. The Oxford Dictionary of Popes. O.U.P, 1996.