APA (7th ed.) Zitazioa

COLVIN, S. (1957). Keats. Macmillan.

Chicago Style (17th ed.) Zitazioa

COLVIN, Sidney. Keats. London: Macmillan, 1957.

MLA (9th ed.) Zitazioa

COLVIN, Sidney. Keats. Macmillan, 1957.