APA (7th ed.) Citation

Gordon, G. S., & Gordon, M. C. B. (1946). The discipline of letters. The Clarendon Press.

Chicago Style (17th ed.) Citation

Gordon, George Stuart, and Mary C. Biggar Gordon. The Discipline of Letters. Oxford: The Clarendon Press, 1946.

MLA (9th ed.) Citation

Gordon, George Stuart, and Mary C. Biggar Gordon. The Discipline of Letters. The Clarendon Press, 1946.