APA (7th ed.) Citation

Langland, W. 1., Pearsall, D. A., & Salter, E. (1967). Piers Plowman. Edward Arnold.

Chicago Style (17th ed.) Citation

Langland, William 1330n-1400n, Derek Albert Pearsall, and Elizabeth Salter. Piers Plowman. London: Edward Arnold, 1967.

MLA (9th ed.) Citation

Langland, William 1330n-1400n, et al. Piers Plowman. Edward Arnold, 1967.