APA (7th ed.) Citation

Tolstoy, L., & Constantine, P. (2004). The Cossacks. Modern Library.

Chicago Style (17th ed.) Citation

Tolstoy, Leo, and Peter Constantine. The Cossacks. New York: Modern Library, 2004.

MLA (9th ed.) Citation

Tolstoy, Leo, and Peter Constantine. The Cossacks. Modern Library, 2004.