Cita APA (7a ed.)

Langland, W., Salter, E., & Pearsall, D. A. (1968). Piers Plowman. Edward Arnold.

Cita Chicago Style (17a ed.)

Langland, William, Elizabeth Salter, y Derek Albert Pearsall. Piers Plowman. London: Edward Arnold, 1968.

Cita MLA (9a ed.)

Langland, William, et al. Piers Plowman. Edward Arnold, 1968.