APA (7th ed.) Citation

Powers, E., & Witmer, H. L. (1972). An experiment in the prevention of delinquency: The Cambridge-Somerville youth study Patterson Smith reprint series in criminology, law enforcement, and social problems.

Chicago Style (17th ed.) Citation

Powers, Edwin, and Helen Leland Witmer. "An Experiment in the Prevention of Delinquency: The Cambridge-Somerville Youth Study." Patterson Smith Reprint Series in Criminology, Law Enforcement, and Social Problems 1972.

MLA (9th ed.) Citation

Powers, Edwin, and Helen Leland Witmer. "An Experiment in the Prevention of Delinquency: The Cambridge-Somerville Youth Study." Patterson Smith Reprint Series in Criminology, Law Enforcement, and Social Problems, 1972.

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