APA
Watson, . (1967). The russian empire 1801-1917. London: Oxford University Press.
Chicago
Watson, . 1967. The russian empire 1801-1917. London: Oxford University Press.
Harvard
Watson, . (1967). The russian empire 1801-1917. London: Oxford University Press.
MLA
Watson, . The russian empire 1801-1917. London: Oxford University Press. 1967.
