APA (7. basım) Alıntı
Graham, I. (1967). Archaeological explorations in El Peten, Guatemala. Middle American Research Institute, Tulane University.
Chicago Style (17. basım) Atıf
Graham, Ian. Archaeological Explorations in El Peten, Guatemala. New Orleans: Middle American Research Institute, Tulane University, 1967.
MLA (9th ed.) Atıf
Graham, Ian. Archaeological Explorations in El Peten, Guatemala. Middle American Research Institute, Tulane University, 1967.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..