APA (7th ed.) Zitazioa

FERRAR, W. (1969). Text-book of convergence. Oxford University Press.

Chicago Style (17th ed.) Zitazioa

FERRAR, W.L. Text-book of Convergence. London: Oxford University Press, 1969.

MLA (9th ed.) Zitazioa

FERRAR, W.L. Text-book of Convergence. Oxford University Press, 1969.