APA

Vernadsky G., . (1948). A history of Russia. New Haven: Yale University Press.

Chicago

Vernadsky George, . 1948. A history of Russia. New Haven: Yale University Press.

Harvard

Vernadsky G., . (1948). A history of Russia. New Haven: Yale University Press.

MLA

Vernadsky George, . A history of Russia. New Haven: Yale University Press. 1948.