Παραπομπή σε μορφή APA (7η εκδ.)

Williams, M. (1992). Americans and their forests: A historical geography. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Williams, Michael. Americans and Their Forests: A Historical Geography. Cambridge: Cambridge University Press, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Williams, Michael. Americans and Their Forests: A Historical Geography. Cambridge University Press, 1992.