Cita APA (7a ed.)
Gann, T. W. F. (1931). The history of the maya from the earliest times to the present day. C. Scribner's sons.
Cita Chicago Style (17a ed.)
Gann, Thomas William Francis. The History of the Maya from the Earliest Times to the Present Day. New York: C. Scribner's sons, 1931.
Cita MLA (9a ed.)
Gann, Thomas William Francis. The History of the Maya from the Earliest Times to the Present Day. C. Scribner's sons, 1931.
Precaución: Estas citas no son 100% exactas.