APA (7th ed.) Citation

Olson, J. E., & Bourne, E. G. (1906). The Northmen, Columbus and Cabot, 985-1503: The voyages of the Northmen. C. Scribner.

Chicago Style (17th ed.) Citation

Olson, Julius Emil, and Edward Gaylord Bourne. The Northmen, Columbus and Cabot, 985-1503: The Voyages of the Northmen. New York: C. Scribner, 1906.

MLA (9th ed.) Citation

Olson, Julius Emil, and Edward Gaylord Bourne. The Northmen, Columbus and Cabot, 985-1503: The Voyages of the Northmen. C. Scribner, 1906.