APA (7th ed.) Citation

Leone, P. (1990). Understanding troubled and troubling youth. Sage Publications.

Chicago Style (17th ed.) Citation

Leone, Peter. Understanding Troubled and Troubling Youth. Newbury Park, Calif.: Sage Publications, 1990.

MLA (9th ed.) Citation

Leone, Peter. Understanding Troubled and Troubling Youth. Sage Publications, 1990.

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