APA (7th ed.) Zitazioa
Farnsworth, B. (1967). William C. Bullitt and the Soviet Union. Indiana University Press.
Chicago Style (17th ed.) Zitazioa
Farnsworth, Beatrice. William C. Bullitt and the Soviet Union. Bloomington: Indiana University Press, 1967.
MLA (9th ed.) Zitazioa
Farnsworth, Beatrice. William C. Bullitt and the Soviet Union. Indiana University Press, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.