APA (7th ed.) Citation

Langland, W. (1950). Visions from Piers Plowman. Oxford University Press.

Chicago Style (17th ed.) Citation

Langland, William. Visions from Piers Plowman. New York: Oxford University Press, 1950.

MLA (9th ed.) Citation

Langland, William. Visions from Piers Plowman. Oxford University Press, 1950.