APA (7th ed.) Citation

Walls & Attridge. (1977). Basic photo science: How photography works. Focal Press.

Chicago Style (17th ed.) Citation

Walls and Attridge. Basic Photo Science: How Photography Works. London: Focal Press, 1977.

MLA (8th ed.) Citation

Walls and Attridge. Basic Photo Science: How Photography Works. Focal Press, 1977.

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