APA (7th ed.) Citation

H J Eysenck. (1962). Know your own I.Q. Penguin Books.

Chicago Style (17th ed.) Citation

H J Eysenck. Know Your Own I.Q. Harmondsworth: Penguin Books, 1962.

MLA (9th ed.) Citation

H J Eysenck. Know Your Own I.Q. Penguin Books, 1962.

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