APA (7th ed.) Zitazioa
Morley, S. G. (1947). The ancient maya (Second edition.). Stanford University Press.
Chicago Style (17th ed.) Zitazioa
Morley, Sylvanus Griswold. The Ancient Maya. Second edition. California: Stanford University Press, 1947.
MLA (9th ed.) Zitazioa
Morley, Sylvanus Griswold. The Ancient Maya. Second edition. Stanford University Press, 1947.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.