APA (7th ed.) Citation

Auty, R., & Obolensky, D. (1976). An Introduction to Russian history. Cambridge University Press.

Chicago Style (17th ed.) Citation

Auty, Robert, and Dimitri Obolensky. An Introduction to Russian History. Cambridge [England] ; New York: Cambridge University Press, 1976.

MLA (9th ed.) Citation

Auty, Robert, and Dimitri Obolensky. An Introduction to Russian History. Cambridge University Press, 1976.