APA-Zitierstil (7. Ausg.)

Ulam, A. B. (1979). The unfinished revolution: Marxism and communism in the modern world (Rev. ed.). Westview Pr.

Chicago-Zitierstil (17. Ausg.)

Ulam, Adam Bruno. The Unfinished Revolution: Marxism and Communism in the Modern World. Rev. ed. Boulder, Colo: Westview Pr, 1979.

MLA-Zitierstil (9. Ausg.)

Ulam, Adam Bruno. The Unfinished Revolution: Marxism and Communism in the Modern World. Rev. ed. Westview Pr, 1979.