APA (7th ed.) Citation

Thomas, L. C., & Chamberlin, G. J. (1980). Colorimetric chemical methods (9th ed.). The Tintometer.

Chicago Style (17th ed.) Citation

Thomas, L. C., and Gordon James Chamberlin. Colorimetric Chemical Methods. 9th ed. Salisbury: The Tintometer, 1980.

MLA (9th ed.) Citation

Thomas, L. C., and Gordon James Chamberlin. Colorimetric Chemical Methods. 9th ed. The Tintometer, 1980.