Cita APA (7a ed.)
Gernsheim, H., & Gernsheim, A. (1955). The History of photography: From the earliest use of the camera obscura in the 11th cent. up to 1914. Oxford Univ.Pr.
Cita Chicago Style (17a ed.)
Gernsheim, Helmut, y Alison Gernsheim. The History of Photography: From the Earliest Use of the Camera Obscura in the 11th Cent. Up to 1914. London [usw.]: Oxford Univ.Pr, 1955.
Cita MLA (9a ed.)
Gernsheim, Helmut, y Alison Gernsheim. The History of Photography: From the Earliest Use of the Camera Obscura in the 11th Cent. Up to 1914. Oxford Univ.Pr, 1955.
Precaución: Estas citas no son 100% exactas.