APA (7th ed.) Citation

Gernsheim, H., & Gernsheim, A. (1969). The history of photography: From the camera obscura to the beginning of the modern era ([2d ed.].). McGraw-Hill.

Chicago Style (17th ed.) Citation

Gernsheim, Helmut, and Alison Gernsheim. The History of Photography: From the Camera Obscura to the Beginning of the Modern Era. [2d ed.]. New York: McGraw-Hill, 1969.

MLA (9th ed.) Citation

Gernsheim, Helmut, and Alison Gernsheim. The History of Photography: From the Camera Obscura to the Beginning of the Modern Era. [2d ed.]. McGraw-Hill, 1969.