Παραπομπή σε μορφή APA (7η εκδ.)

Foster. Climate and Culture Change in North America AD 900â€"1600. University of Texas Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Foster. Climate and Culture Change in North America AD 900â€"1600. University of Texas Press.

Παραπομπή σε μορφή MLA (8th εκδ.)

Foster. Climate and Culture Change in North America AD 900â€"1600. University of Texas Press.