APA (7th ed.) Citation

Gernsheim, H. (1982). The origins of photography / Helmut Gernsheim. Thames and Hudson.

Chicago Style (17th ed.) Citation

Gernsheim, Helmut. The Origins of Photography / Helmut Gernsheim. London: Thames and Hudson, 1982.

MLA (9th ed.) Citation

Gernsheim, Helmut. The Origins of Photography / Helmut Gernsheim. Thames and Hudson, 1982.

Warning: These citations may not always be 100% accurate.