Cita APA (7th ed.)
Willey, G. R., Bullard, W. R., Jr, Glass, J. B., Gifford, J. C., & Elliot, O. (1965). Prehistoric Maya settlements in the Belize Valley. Peabody Museum.
Cita Chicago (17th ed.)
Willey, Gordon R., William R. Bullard, Jr, John B. Glass, James C. Gifford, i Orville Elliot. Prehistoric Maya Settlements in the Belize Valley. Cambridge, Massachusetts: Peabody Museum, 1965.
Cita MLA (9th ed.)
Willey, Gordon R., et al. Prehistoric Maya Settlements in the Belize Valley. Peabody Museum, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.