APA (7th ed.) Citation

Duncan, R. (1940). The dull ass's hoof: 3 plays. Fortune Press.

Chicago Style (17th ed.) Citation

Duncan, Ronald. The Dull Ass's Hoof: 3 Plays. London: Fortune Press, 1940.

MLA (9th ed.) Citation

Duncan, Ronald. The Dull Ass's Hoof: 3 Plays. Fortune Press, 1940.