Cita APA (7th ed.)

Warren, S. S. (1992). Cities in the sand: The ancient civilizations of the Southwest. Chronicle Books.

Cita Chicago (17th ed.)

Warren, Scott S. Cities in the Sand: The Ancient Civilizations of the Southwest. San Francisco: Chronicle Books, 1992.

Cita MLA (9th ed.)

Warren, Scott S. Cities in the Sand: The Ancient Civilizations of the Southwest. Chronicle Books, 1992.