Gernsheim, H. (1955). The history of photography from the earliest use of the camera obscura in the eleventh century up to 1914. London: Geoffrey Cumberlege.
Trích dẫn kiểu ChicagoGernsheim, Helmut. The History of Photography From the Earliest Use of the Camera Obscura in the Eleventh Century Up to 1914. London: Geoffrey Cumberlege, 1955.
MLA引文Gernsheim, Helmut. The History of Photography From the Earliest Use of the Camera Obscura in the Eleventh Century Up to 1914. London: Geoffrey Cumberlege, 1955.
警告:这些引文格式不一定是100%准确.