Παραπομπή σε μορφή APA (7η εκδ.)

Paterson, J. H. (1994). North America: A geography of the United States and Canada (9th ed.). Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Paterson, J. H. North America: A Geography of the United States and Canada. 9th ed. New York: Oxford University Press, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Paterson, J. H. North America: A Geography of the United States and Canada. 9th ed. Oxford University Press, 1994.