APA (7th ed.) Citation

Riley, E. M. (1956). Independence National Historical Park, Philadelphia, Pa. (Rev. ed.). National Park Service.

Chicago Style (17th ed.) Citation

Riley, Edward M. Independence National Historical Park, Philadelphia, Pa. Rev. ed. Washington, D.C.: National Park Service, 1956.

MLA (9th ed.) Citation

Riley, Edward M. Independence National Historical Park, Philadelphia, Pa. Rev. ed. National Park Service, 1956.