Cita APA (7th ed.)

Vernadsky, G. (1954). A history of Russia (4th ed., completely rev.). Yale University Press.

Cita Chicago (17th ed.)

Vernadsky, George. A History of Russia. 4th ed., completely rev. New Haven: Yale University Press, 1954.

Cita MLA (9th ed.)

Vernadsky, George. A History of Russia. 4th ed., completely rev. Yale University Press, 1954.