APA (7 ম সংস্করণ) উদ্ধৃতি

Norris, G. W., & Norris, W. F. (1886). The early history of medicine in Philadelphia. By George W. Norris. [Collins Printing House].

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Norris, George W., এবং William Fisher Norris. The Early History of Medicine in Philadelphia. By George W. Norris. Philadelphia: [Collins Printing House], 1886.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Norris, George W., এবং William Fisher Norris. The Early History of Medicine in Philadelphia. By George W. Norris. [Collins Printing House], 1886.