APA (7th ed.) Citation

Spencer, D. A. (1966). Colour photography in practice. Focal Press.

Chicago Style (17th ed.) Citation

Spencer, Douglas Arthur. Colour Photography in Practice. London: Focal Press, 1966.

MLA (9th ed.) Citation

Spencer, Douglas Arthur. Colour Photography in Practice. Focal Press, 1966.

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