Field, G., & Salter, T. W. (2007). Field's Chromatography or Treatise on Colours and Pigments as Used by Artists. Project Gutenberg.
Chicago Style (17th ed.) CitationField, George, and Thomas W. Salter. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists. Project Gutenberg, 2007.
MLA (9th ed.) CitationField, George, and Thomas W. Salter. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists. Project Gutenberg, 2007.
Warning: These citations may not always be 100% accurate.