Ong, W. J. (1951). Statue of St. Peter inside the Vatican gardens.
Chicago Style (17th ed.) CitationOng, Walter J. Statue of St. Peter Inside the Vatican Gardens. 1951.
MLA引文Ong, Walter J. Statue of St. Peter Inside the Vatican Gardens. 1951.
警告：这些引文格式不一定是100％准确.