APA (7th ed.) Citation

Hays, P. (1964). New horizons in psychiatry. Penguin Books.

Chicago Style (17th ed.) Citation

Hays, Peter. New Horizons in Psychiatry. Harmondsworth: Penguin Books, 1964.

MLA (8th ed.) Citation

Hays, Peter. New Horizons in Psychiatry. Penguin Books, 1964.

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