APA (7th ed.) Citation

Ferrar, W. L. (1945). A textbook of convergence. Clarendon Press.

Chicago Style (17th ed.) Citation

Ferrar, W. L. A Textbook of Convergence. Oxford: Clarendon Press, 1945.

MLA (8th ed.) Citation

Ferrar, W. L. A Textbook of Convergence. Clarendon Press, 1945.