APA

Pipes R., . (1964). The formation of the Soviet Union: Communism and nationalism, 1917-1923. Cambridge: Harvard University Press.

Chicago

Pipes Richard, . 1964. The formation of the Soviet Union: Communism and nationalism, 1917-1923. Cambridge: Harvard University Press.

Harvard

Pipes R., . (1964). The formation of the Soviet Union: Communism and nationalism, 1917-1923. Cambridge: Harvard University Press.

MLA

Pipes Richard, . The formation of the Soviet Union: Communism and nationalism, 1917-1923. Cambridge: Harvard University Press. 1964.