APA (7th ed.) Zitazioa
Ulam, A. B. (1998). The Bolsheviks: The intellectual and political history of the triumph of communism in Russia : with a new preface (1st Harvard University Press pbk. ed.). Harvard University Press.
Chicago Style (17th ed.) Zitazioa
Ulam, Adam Bruno. The Bolsheviks: The Intellectual and Political History of the Triumph of Communism in Russia : With a New Preface. 1st Harvard University Press pbk. ed. Cambridge, MA: Harvard University Press, 1998.
MLA (9th ed.) Zitazioa
Ulam, Adam Bruno. The Bolsheviks: The Intellectual and Political History of the Triumph of Communism in Russia : With a New Preface. 1st Harvard University Press pbk. ed. Harvard University Press, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.