Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Langland, William, Elizabeth Salter, i Derek Pearsall. Piers Plowman. London: Edward Arnold, 1967.

Cita MLA (8th ed.)

Langland, William, et al. Piers Plowman. Edward Arnold, 1967.