Cita APA (7a ed.)

Kelly, J. N. D. (1986). The Oxford Dictionary of Popes. Oxford University Press.

Cita Chicago Style (17a ed.)

Kelly, J. N. D. The Oxford Dictionary of Popes. Oxford: Oxford University Press, 1986.

Cita MLA (9a ed.)

Kelly, J. N. D. The Oxford Dictionary of Popes. Oxford University Press, 1986.