APA (7th ed.) Citation

Coolidge, J. L. (1916). A treatise on the circle and the sphere. Clarendon Press.

Chicago Style (17th ed.) Citation

Coolidge, Julian Lowell. A Treatise on the Circle and the Sphere. Oxford: Clarendon Press, 1916.

MLA (9th ed.) Citation

Coolidge, Julian Lowell. A Treatise on the Circle and the Sphere. Clarendon Press, 1916.