Cita APA

Roys, R. L. (1957). The political geography of the Yucatan maya. Washington: Carnegie Institution of Washington.

Citación estilo Chicago

Roys, Ralph Loveland. The Political Geography of the Yucatan Maya. Washington: Carnegie Institution of Washington, 1957.

Cita MLA

Roys, Ralph Loveland. The Political Geography of the Yucatan Maya. Washington: Carnegie Institution of Washington, 1957.

Precaución: Estas citas no son 100% exactas.