APA (7th ed.) Citation

McKitterick, R. (2013). Old Saint Peter's, Rome. Cambridge University Press.

Chicago Style (17th ed.) Citation

McKitterick, Rosamond. Old Saint Peter's, Rome. Cambridge, [England] ; New York, [New York]: Cambridge University Press, 2013.

MLA (9th ed.) Citation

McKitterick, Rosamond. Old Saint Peter's, Rome. Cambridge University Press, 2013.