APA (7th ed.) Citation

Fry, C. (1957). The dark is light enough: A winter comedy. Oxford University Press.

Chicago Style (17th ed.) Citation

Fry, Christopher. The Dark Is Light Enough: A Winter Comedy. London: Oxford University Press, 1957.

MLA (9th ed.) Citation

Fry, Christopher. The Dark Is Light Enough: A Winter Comedy. Oxford University Press, 1957.