Παραπομπή APA

Katkov, G. (1970). Russia enters the twentieth century [1894-1917]. Temple Smith.

Παραπομπή Chicago Style

Katkov, George. Russia Enters the Twentieth Century [1894-1917]. London: Temple Smith, 1970.

Παραπομπή MLA

Katkov, George. Russia Enters the Twentieth Century [1894-1917]. Temple Smith, 1970.