Cita APA (7a ed.)

Warner, L. (2010). The Lost History of "Piers Plowman": The Earliest Transmission of Langland's Work. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Warner, Lawrence. The Lost History of "Piers Plowman": The Earliest Transmission of Langland's Work. Philadelphia: University of Pennsylvania Press, 2010.

Cita MLA (8a ed.)

Warner, Lawrence. The Lost History of "Piers Plowman": The Earliest Transmission of Langland's Work. University of Pennsylvania Press, 2010.