Langland, W., & Heinrichs, K. (2004). Piers Plowman electronic archive. Published for the Medieval Academy of America and SEENET, by Boydell & Brewer.
Chicago Style (17th ed.) CitationLangland, William, and Katherine Heinrichs. Piers Plowman Electronic Archive. [Woodbridge, UK?]: Published for the Medieval Academy of America and SEENET, by Boydell & Brewer, 2004.
MLA (9th ed.) CitationLangland, William, and Katherine Heinrichs. Piers Plowman Electronic Archive. Published for the Medieval Academy of America and SEENET, by Boydell & Brewer, 2004.
Warning: These citations may not always be 100% accurate.