APA (7th ed.) Citation

Gardner, J. (1977). The life & times of chaucer. Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Gardner, John. The Life & Times of Chaucer. New York: Alfred A. Knopf, 1977.

MLA (9th ed.) Citation

Gardner, John. The Life & Times of Chaucer. Alfred A. Knopf, 1977.