Cita APA (7th ed.)
Byers, D. S. (1967). The prehistory of the Tehuacan Valley. University of Texas Press.
Cita Chicago (17th ed.)
Byers, Douglas S. The Prehistory of the Tehuacan Valley. Austin, London: University of Texas Press, 1967.
Cita MLA (9th ed.)
Byers, Douglas S. The Prehistory of the Tehuacan Valley. University of Texas Press, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.