APA (7th ed.) Citation

Vernadsky, G., & Karpovich, M. (1943). A history of Russia. Yale University Press.

Chicago Style (17th ed.) Citation

Vernadsky, George, and Michael Karpovich. A History of Russia. [New Haven: Yale University Press, 1943.

MLA (9th ed.) Citation

Vernadsky, George, and Michael Karpovich. A History of Russia. Yale University Press, 1943.