Cita APA (7th ed.)
Andrews, E. W., V. The Archaeology of Quelapa, El Salvador. Tulane University, Middle American Research Institute.
Cita Chicago (17th ed.)
Andrews, E. Wyllys, V. The Archaeology of Quelapa, El Salvador. Nueva Orleans, EUA: Tulane University, Middle American Research Institute.
Cita MLA (9th ed.)
Andrews, E. Wyllys, V. The Archaeology of Quelapa, El Salvador. Tulane University, Middle American Research Institute.
Atenció: Aquestes cites poden no estar 100% correctes.