APA (7th ed.) Citation

Eysenck, H. J. (1966). The effects of psychotherapy. International Science Press.

Chicago Style (17th ed.) Citation

Eysenck, H. J. The Effects of Psychotherapy. New York: International Science Press, 1966.

MLA (9th ed.) Citation

Eysenck, H. J. The Effects of Psychotherapy. International Science Press, 1966.