APA (7th ed.) Citation

Gernsheim, H. (1955). The history of Photography. OUP.

Chicago Style (17th ed.) Citation

Gernsheim, Helmut. The History of Photography. London: OUP, 1955.

MLA (9th ed.) Citation

Gernsheim, Helmut. The History of Photography. OUP, 1955.

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