APA (7th ed.) Citation

Ferrar, W. L. (1938). A text-book of convergence / by W.L. Ferrar. Clarendon.

Chicago Style (17th ed.) Citation

Ferrar, W. L. A Text-book of Convergence / by W.L. Ferrar. Clarendon, 1938.

MLA (9th ed.) Citation

Ferrar, W. L. A Text-book of Convergence / by W.L. Ferrar. Clarendon, 1938.

Warning: These citations may not always be 100% accurate.