Cita APA (7th ed.)

Blake, W., & Keynes, G. S. (1975). The marriage of heaven and hell. Oxford University Press.

Cita Chicago (17th ed.)

Blake, William, i Geoffrey Sir Keynes. The Marriage of Heaven and Hell. London: Oxford University Press, 1975.

Cita MLA (9th ed.)

Blake, William, i Geoffrey Sir Keynes. The Marriage of Heaven and Hell. Oxford University Press, 1975.