Cita APA (7th ed.)
Blake, W., & Porter, P. (1989). William Blake. Aurum Press.
Cita Chicago (17th ed.)
Blake, William, i Peter Porter. William Blake. London: Aurum Press, 1989.
Cita MLA (9th ed.)
Blake, William, i Peter Porter. William Blake. Aurum Press, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.