APA引文

ebrary, Inc, Krochalis, J., & Peters, E. (1982). The world of Piers Plowman. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

ebrary, Inc, Jeanne Krochalis, and Edward Peters. The World of Piers Plowman. Philadelphia: University of Pennsylvania Press, 1982.

MLA引文

ebrary, Inc, et al. The World of Piers Plowman. University of Pennsylvania Press, 1982.