APA (7th ed.) Citation

Langland, W., & Williams, M. A. (1971). Piers the Plowman ([1st ed.].). Random House.

Chicago Style (17th ed.) Citation

Langland, William, and Margaret Anne Williams. Piers the Plowman. [1st ed.]. New York: Random House, 1971.

MLA (9th ed.) Citation

Langland, William, and Margaret Anne Williams. Piers the Plowman. [1st ed.]. Random House, 1971.