Cita APA (7th ed.)
Culbert, T. P. The Classic Maya Collapse. School of American Research : University of New Mexico.
Cita Chicago (17th ed.)
Culbert, T. Patrick. The Classic Maya Collapse. Albuquerque, EUA: School of American Research : University of New Mexico.
Cita MLA (9th ed.)
Culbert, T. Patrick. The Classic Maya Collapse. School of American Research : University of New Mexico.
Atenció: Aquestes cites poden no estar 100% correctes.