Tronzo, W. (2005). St. Peter's in the Vatican (1. publ.). Cambridge Univ. Press.
Chicago Style (17th ed.) CitationTronzo, William. St. Peter's in the Vatican. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 2005.
MLA (8th ed.) CitationTronzo, William. St. Peter's in the Vatican. 1. publ. Cambridge Univ. Press, 2005.
Warning: These citations may not always be 100% accurate.