Cita APA (7a ed.)
Graham, I. (1967). Archaeological Explorations in El Peten, Guatemala. Tulane University, Middle American Research Institute.
Cita estilo Chicago (17a ed.)
Graham, Ian. Archaeological Explorations in El Peten, Guatemala. Nueva Orleans, EUA: Tulane University, Middle American Research Institute, 1967.
Cita MLA (9a ed.)
Graham, Ian. Archaeological Explorations in El Peten, Guatemala. Tulane University, Middle American Research Institute, 1967.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.