APA (7th ed.) Citation

Willis, G. (1919). The philosophy of speech. G. Allen & Unwin ltd..

Chicago Style (17th ed.) Citation

Willis, George. The Philosophy of Speech. London: G. Allen & Unwin ltd., 1919.

MLA (9th ed.) Citation

Willis, George. The Philosophy of Speech. G. Allen & Unwin ltd., 1919.

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