APA (7th ed.) Citation

Watkins, D. (1982). The focal guide to colour film processing (2nd ed.). Focal Press.

Chicago Style (17th ed.) Citation

Watkins, Derek. The Focal Guide to Colour Film Processing. 2nd ed. London: Focal Press, 1982.

MLA (9th ed.) Citation

Watkins, Derek. The Focal Guide to Colour Film Processing. 2nd ed. Focal Press, 1982.

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