APA (7th ed.) Citation

Egan, M. F. (1888). Plate, Cathedral of St. Peter and St. Paul, Philadelphia -- General View of the Interior.

Chicago Style (17th ed.) Citation

Egan, Maurice Francis. Plate, Cathedral of St. Peter and St. Paul, Philadelphia -- General View of the Interior. 1888.

MLA (8th ed.) Citation

Egan, Maurice Francis. Plate, Cathedral of St. Peter and St. Paul, Philadelphia -- General View of the Interior. 1888.

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