APA (7th ed.) Citation
Harris, T. A. (1995). I´m OK - you´re OK. Arrow Books.
Chicago Style (17th ed.) Citation
Harris, Thomas A. I´m OK - You´re OK. London: Arrow Books, 1995.
MLA (9th ed.) Citation
Harris, Thomas A. I´m OK - You´re OK. Arrow Books, 1995.
Warning: These citations may not always be 100% accurate.