APA-referens (7:e uppl.)
Howard, L. (2010). Virgil, the blind guide: Marking the way through the Divine Comedy. McGill-Queen's University Press.
Chicago-referens (17:e uppl.)
Howard, Lloyd. Virgil, the Blind Guide: Marking the Way Through the Divine Comedy. Montreal ; Ithaca [N.Y.]: McGill-Queen's University Press, 2010.
MLA-referens (9:e uppl.)
Howard, Lloyd. Virgil, the Blind Guide: Marking the Way Through the Divine Comedy. McGill-Queen's University Press, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.