APA (7th ed.) Citation

COULTON, G. (1950). Chaucer and his England. Methuen.

Chicago Style (17th ed.) Citation

COULTON, G.G. Chaucer and His England. London: Methuen, 1950.

MLA (9th ed.) Citation

COULTON, G.G. Chaucer and His England. Methuen, 1950.