Cita APA (7a 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 Style (17a ed.)
Willey, Gordon R., William R. Bullard, Jr, John B. Glass, James C. Gifford, y Orville Elliot. Prehistoric Maya Settlements in the Belize Valley. Cambridge, Massachusetts: Peabody Museum, 1965.
Cita MLA (9a ed.)
Willey, Gordon R., et al. Prehistoric Maya Settlements in the Belize Valley. Peabody Museum, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.