APA (7th ed.) Citation

Popoff, A. (2010). Sophia Tolstoy: A biography (1st Free Press hardcover ed.). Free Press.

Chicago Style (17th ed.) Citation

Popoff, Alexandra. Sophia Tolstoy: A Biography. 1st Free Press hardcover ed. New York: Free Press, 2010.

MLA (9th ed.) Citation

Popoff, Alexandra. Sophia Tolstoy: A Biography. 1st Free Press hardcover ed. Free Press, 2010.

Warning: These citations may not always be 100% accurate.