APA (7 ম সংস্করণ) উদ্ধৃতি

Williams, O. P., & Adrian, C. R. (1963). Four cities: A study in comprative policy making. University of Pennsylvania Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Williams, Oliver P., এবং Charles R. Adrian. Four Cities: A Study in Comprative Policy Making. Philadelphia: University of Pennsylvania Press, 1963.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Williams, Oliver P., এবং Charles R. Adrian. Four Cities: A Study in Comprative Policy Making. University of Pennsylvania Press, 1963.