Citazione Stile APA (7a Edizione)

Howard, D. R., & Zacher, C. K. (1968). Critical studies of Sir Gawain and the Green Knight. University of Notre Dame Press.

Citazione stile Chigago Style (17a edizione)

Howard, Donald Roy, e Christian K. Zacher. Critical Studies of Sir Gawain and the Green Knight. Notre Dame [Ind.]: University of Notre Dame Press, 1968.

Citatione MLA (9a ed.)

Howard, Donald Roy, e Christian K. Zacher. Critical Studies of Sir Gawain and the Green Knight. University of Notre Dame Press, 1968.