Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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