APA (7th ed.) Zitazioa

KITTREDGE, G. L. (1970). Chaucer and his poetry fifty- fifth anniversary. Harvard U.P..

Chicago Style (17th ed.) Zitazioa

KITTREDGE, George Lyman. Chaucer and His Poetry Fifty- Fifth Anniversary. Cambridge: Harvard U.P., 1970.

MLA (9th ed.) Zitazioa

KITTREDGE, George Lyman. Chaucer and His Poetry Fifty- Fifth Anniversary. Harvard U.P., 1970.