APA (7th ed.) Citation

Pohl, F. J. (1972). The Viking settlements of North America ([1st ed.].). C.N. Potter.

Chicago Style (17th ed.) Citation

Pohl, Frederick Julius. The Viking Settlements of North America. [1st ed.]. New York: C.N. Potter, 1972.

MLA (9th ed.) Citation

Pohl, Frederick Julius. The Viking Settlements of North America. [1st ed.]. C.N. Potter, 1972.