APA (7th ed.) Citation

Vernadsky, G. (1944). A history of Russia (New rev. ed.). Blakiston.

Chicago Style (17th ed.) Citation

Vernadsky, George. A History of Russia. New rev. ed. Philadelphia: Blakiston, 1944.

MLA (9th ed.) Citation

Vernadsky, George. A History of Russia. New rev. ed. Blakiston, 1944.