APA (7th ed.) Zitazioa
Ferguson, J. (1963). Foundations of the modern world. Univ. Press.
Chicago Style (17th ed.) Zitazioa
Ferguson, John. Foundations of the Modern World. Cambridge: Univ. Press, 1963.
MLA (9th ed.) Zitazioa
Ferguson, John. Foundations of the Modern World. Univ. Press, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.