Norvig, G. S., & Blake, W. (1993). Dark figures in the desired country: Blake's illustrations to The pilgrim's progress. University of Californiarnia Press.
Chicago-Zitierstil (17. Ausg.)Norvig, Gerda S., und William Blake. Dark Figures in the Desired Country: Blake's Illustrations to The Pilgrim's Progress. Berkeley, Calif. [u.a.]: University of Californiarnia Press, 1993.
MLA-Zitierstil (8. Ausg.)Norvig, Gerda S., und William Blake. Dark Figures in the Desired Country: Blake's Illustrations to The Pilgrim's Progress. University of Californiarnia Press, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.