APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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