APA

Vernadsky G., . (1961). A history of Russia. New York: Yale University Press.

Chicago

Vernadsky George, . 1961. A history of Russia. New York: Yale University Press.

Harvard

Vernadsky G., . (1961). A history of Russia. New York: Yale University Press.

MLA

Vernadsky George, . A history of Russia. New York: Yale University Press. 1961.