APA (7th ed.) Citation

Charques, R. D. (1965). The twilight of imperial Russia. Oxford University Press.

Chicago Style (17th ed.) Citation

Charques, R. D. The Twilight of Imperial Russia. London ; New York: Oxford University Press, 1965.

MLA (9th ed.) Citation

Charques, R. D. The Twilight of Imperial Russia. Oxford University Press, 1965.