APA (7th ed.) Citation

Peters, E. H., & Krochalis, J. (1975). The world of Piers Plowman. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Peters, Edward H., and Jeanne Krochalis. The World of Piers Plowman. [Philadelphia]: University of Pennsylvania Press, 1975.

MLA (8th ed.) Citation

Peters, Edward H., and Jeanne Krochalis. The World of Piers Plowman. University of Pennsylvania Press, 1975.

Warning: These citations may not always be 100% accurate.