Cita APA (7a ed.)
Coe, M. D., & Woodbury, R. B. (1968). America's first civilization. American Heritage.
Cita Chicago Style (17a ed.)
Coe, Michael D.., y Richard B. Woodbury. America's First Civilization. New York: American Heritage, 1968.
Cita MLA (9a ed.)
Coe, Michael D.., y Richard B. Woodbury. America's First Civilization. American Heritage, 1968.
Precaución: Estas citas no son 100% exactas.