APA (7th ed.) Citation

Ballard, P. B. (1939). Teaching and testing English. University of London Press.

Chicago Style (17th ed.) Citation

Ballard, Philip Boswood. Teaching and Testing English. London: University of London Press, 1939.

MLA (9th ed.) Citation

Ballard, Philip Boswood. Teaching and Testing English. University of London Press, 1939.

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