APA (7th ed.) Citation

Ballard, P. B. (1923). Mental tests / by P.B. Ballard. Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Ballard, Philip Boswood. Mental Tests / by P.B. Ballard. London: Hodder and Stoughton, 1923.

MLA (9th ed.) Citation

Ballard, Philip Boswood. Mental Tests / by P.B. Ballard. Hodder and Stoughton, 1923.

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