APA (7th ed.) Citation

Eysenck, H. J. (1972). Psychology is about people. Penguin Books.

Chicago Style (17th ed.) Citation

Eysenck, H. J. Psychology Is About People. Hammondsworth, Middlesex, Eng: Penguin Books, 1972.

MLA (9th ed.) Citation

Eysenck, H. J. Psychology Is About People. Penguin Books, 1972.