APA (7th ed.) Citation

Harris, T. A. (2004). I'm OK, you're OK: The transactional analysis breakthrough that's changing the consciousness and behavior of people who never before felt OK about themselves. Harper.

Chicago Style (17th ed.) Citation

Harris, Thomas A. I'm OK, You're OK: The Transactional Analysis Breakthrough That's Changing the Consciousness and Behavior of People Who Never Before Felt OK About Themselves. New York: Harper, 2004.

MLA (9th ed.) Citation

Harris, Thomas A. I'm OK, You're OK: The Transactional Analysis Breakthrough That's Changing the Consciousness and Behavior of People Who Never Before Felt OK About Themselves. Harper, 2004.