APA (7th ed.) Citation

(1976). Cathedral of SS. Peter and Paul: The Archdiocese of Philadelphia. S.I..

Chicago Style (17th ed.) Citation

Cathedral of SS. Peter and Paul: The Archdiocese of Philadelphia. S.I., 1976.

MLA (8th ed.) Citation

Cathedral of SS. Peter and Paul: The Archdiocese of Philadelphia. S.I., 1976.

Warning: These citations may not always be 100% accurate.