Cita APA (7th ed.)
Hellmuth, N. M. Maya Archaeology: Tikal, Copan, Quirigua : Travel Guide. Foundation for Latin American Anthropological Research.
Cita Chicago (17th ed.)
Hellmuth, Nicholas M. Maya Archaeology: Tikal, Copan, Quirigua : Travel Guide. EUA: Foundation for Latin American Anthropological Research.
Cita MLA (9th ed.)
Hellmuth, Nicholas M. Maya Archaeology: Tikal, Copan, Quirigua : Travel Guide. Foundation for Latin American Anthropological Research.
Atenció: Aquestes cites poden no estar 100% correctes.