Cita APA (7th ed.)
Bradley, Z. A. (1973). Canyon de Chelly: The story of its Ruins and People. Office of Publications : National Park Service.
Cita Chicago (17th ed.)
Bradley, Zorro A. Canyon De Chelly: The Story of Its Ruins and People. Washington, D.C.: Office of Publications : National Park Service, 1973.
Cita MLA (9th ed.)
Bradley, Zorro A. Canyon De Chelly: The Story of Its Ruins and People. Office of Publications : National Park Service, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.