APA (7th ed.) Citation

Wills, C., & Wills, D. (1980). History of photography: Techniques and equipment. Hamlyn.

Chicago Style (17th ed.) Citation

Wills, Camfield, and Deirdre Wills. History of Photography: Techniques and Equipment. London: Hamlyn, 1980.

MLA (9th ed.) Citation

Wills, Camfield, and Deirdre Wills. History of Photography: Techniques and Equipment. Hamlyn, 1980.