APA Citation

(1933). See Philadelphia, rich in historic landmarks: Conducted tours, Royal Blue Line, a modern sightseeing service. [Philadelphia, Pa.: Royal Blue Line Co..

Chicago Style Citation

See Philadelphia, Rich in Historic Landmarks: Conducted Tours, Royal Blue Line, a Modern Sightseeing Service. [Philadelphia, Pa.: Royal Blue Line Co., 1933.

MLA Citation

See Philadelphia, Rich in Historic Landmarks: Conducted Tours, Royal Blue Line, a Modern Sightseeing Service. [Philadelphia, Pa.: Royal Blue Line Co., 1933.

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