APA (7 ম সংস্করণ) উদ্ধৃতি

Powers, E., & Witmer, H. (1951). An experiment in the prevention of delinquency: The Cambridge-Somerville Youth Study. Columbia University Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Powers, Edwin, এবং Helen Witmer. An Experiment in the Prevention of Delinquency: The Cambridge-Somerville Youth Study. New York: Columbia University Press, 1951.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Powers, Edwin, এবং Helen Witmer. An Experiment in the Prevention of Delinquency: The Cambridge-Somerville Youth Study. Columbia University Press, 1951.