APA
Karpovich M., . (1932). Imperial Russia, 1801-1917. New York: Holt and Co.
Chicago
Karpovich Michael, . 1932. Imperial Russia, 1801-1917. New York: Holt and Co.
Harvard
Karpovich M., . (1932). Imperial Russia, 1801-1917. New York: Holt and Co.
MLA
Karpovich Michael, . Imperial Russia, 1801-1917. New York: Holt and Co. 1932.