Cita APA (7th ed.)
Crawford, M. (1976). The Tlaxcaltecans: Prehistory, demography, morphology and genetics. University of Kansas.
Cita Chicago (17th ed.)
Crawford, M.H. The Tlaxcaltecans: Prehistory, Demography, Morphology and Genetics. Lawrence, Kansas: University of Kansas, 1976.
Cita MLA (9th ed.)
Crawford, M.H. The Tlaxcaltecans: Prehistory, Demography, Morphology and Genetics. University of Kansas, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.