APA (7e ed.) Bronvermelding

Butterfield, H. (1981). The origins of history (First edition.). Basic Book Inc. Publisher.

Chicago (17e ed.) Bronvermelding

Butterfield, Herbert. The Origins of History. First edition. New York: Basic Book Inc. Publisher, 1981.

MLA (8e ed.) Bronvermelding

Butterfield, Herbert. The Origins of History. First edition. Basic Book Inc. Publisher, 1981.