Cita APA (7th ed.)
Morley, S. G. (1947). The ancient maya (Second edition.). Stanford University Press.
Cita Chicago (17th ed.)
Morley, Sylvanus Griswold. The Ancient Maya. Second edition. California: Stanford University Press, 1947.
Cita MLA (9th ed.)
Morley, Sylvanus Griswold. The Ancient Maya. Second edition. Stanford University Press, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.