APA (7th ed.) Citation

Collins, J. R. (2017). On the arctic frontier: Ernest Leffingwell's polar explorations and legacy. Washington State University Press.

Chicago Style (17th ed.) Citation

Collins, Janet R. On the Arctic Frontier: Ernest Leffingwell's Polar Explorations and Legacy. Pullman, Washington: Washington State University Press, 2017.

MLA (9th ed.) Citation

Collins, Janet R. On the Arctic Frontier: Ernest Leffingwell's Polar Explorations and Legacy. Washington State University Press, 2017.