APA (7th ed.) Citation

Doolen, R. M. (1965). Michigan's Polar Bears: The American expedition to north Russia, 1918-1919. University of Michigan.

Chicago Style (17th ed.) Citation

Doolen, Richard M. Michigan's Polar Bears: The American Expedition to North Russia, 1918-1919. Ann Arbor: University of Michigan, 1965.

MLA (9th ed.) Citation

Doolen, Richard M. Michigan's Polar Bears: The American Expedition to North Russia, 1918-1919. University of Michigan, 1965.