Cita APA (7a ed.)
Shupe, J. F., & Graves, W. Southwest U.S.A. National Geographic Society.
Cita estilo Chicago (17a ed.)
Shupe, John F., y William Graves. Southwest U.S.A. Washington, EUA: National Geographic Society.
Cita MLA (9a ed.)
Shupe, John F., y William Graves. Southwest U.S.A. National Geographic Society.
Precaución: Estas citas no son 100% exactas.