Cita APA (7a ed.)

Harris, T. A. (1969). I'm OK, you're OK: A practical guide to transactional analysis. Harper & Row.

Cita Chicago Style (17a ed.)

Harris, Thomas Anthony. I'm OK, You're OK: A Practical Guide to Transactional Analysis. New York: Harper & Row, 1969.

Cita MLA (9a ed.)

Harris, Thomas Anthony. I'm OK, You're OK: A Practical Guide to Transactional Analysis. Harper & Row, 1969.