APA (7th ed.) Citation

Hunt, R. W. G. (1991). Measuring colour (2. ed.). Horwood.

Chicago Style (17th ed.) Citation

Hunt, R. W. G. Measuring Colour. 2. ed. New York u. a: Horwood, 1991.

MLA (9th ed.) Citation

Hunt, R. W. G. Measuring Colour. 2. ed. Horwood, 1991.