Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition CitationWilley, G. R., Graham, J. A., Tourtellot, G., & Pohl, M. (1990). Excavations at Seibal, Department of Peten, Guatemala. Peabody Museum of Archaeology and Ethnology, Harvard University.
Chicago Citation Edition CitationWilley, Gordon R., John Allen Graham, Gair Tourtellot, und Mary Pohl. Excavations at Seibal, Department of Peten, Guatemala. Cambridge-MA: Peabody Museum of Archaeology and Ethnology, Harvard University, 1990.
MLA Citation Edition CitationWilley, Gordon R., et al. Excavations at Seibal, Department of Peten, Guatemala. Peabody Museum of Archaeology and Ethnology, Harvard University, 1990.
