Cita APA (7a ed.)
Steggerda, M. (1941). Maya indians of Yucatan. Carnegie institution of Washington.
Cita Chicago Style (17a ed.)
Steggerda, Morris. Maya Indians of Yucatan. Washington, D.C.: Carnegie institution of Washington, 1941.
Cita MLA (9a ed.)
Steggerda, Morris. Maya Indians of Yucatan. Carnegie institution of Washington, 1941.
Precaución: Estas citas no son 100% exactas.