APA (7th ed.) Citation

Edited by Rosamond McKitterick, J. O. (2013). Old Saint Peter's, Rome (1.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Edited by Rosamond McKitterick, John Osborne. Old Saint Peter's, Rome. 1. Cambridge University Press, 2013.

MLA (8th ed.) Citation

Edited by Rosamond McKitterick, John Osborne. Old Saint Peter's, Rome. 1. Cambridge University Press, 2013.