Cita APA (7th ed.)
VERNADSKY, G. (1944). A History of Russia (2 ed.). New Home Library.
Cita Chicago (17th ed.)
VERNADSKY, George. A History of Russia. 2 ed. New York: New Home Library, 1944.
Cita MLA (9th ed.)
VERNADSKY, George. A History of Russia. 2 ed. New Home Library, 1944.
Atenció: Aquestes cites poden no estar 100% correctes.