APA (7th ed.) Citation

HARRIS, T. A. (1969). I'm OK - you're OK. Pan Books.

Chicago Style (17th ed.) Citation

HARRIS, Thomas A. I'm OK - You're OK. London: Pan Books, 1969.

MLA (8th ed.) Citation

HARRIS, Thomas A. I'm OK - You're OK. Pan Books, 1969.

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