APA (7th ed.) Citation

Walch, M. (1979). The colour source book (1. publ.). Thames and Hudson.

Chicago Style (17th ed.) Citation

Walch, Margaret. The Colour Source Book. 1. publ. London: Thames and Hudson, 1979.

MLA (9th ed.) Citation

Walch, Margaret. The Colour Source Book. 1. publ. Thames and Hudson, 1979.

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