Cita APA

Snell, C. A., Snell, C. T., & Snell, F. D. (1969). Colorimetric methods of analysis including photometric methods.

Citación estilo Chicago

Snell, Chester Arthur, Cornelia T. Snell, and Foster Dee Snell. Colorimetric Methods of Analysis Including Photometric Methods. New York, Van Nostrand Reinhold, 1969.

Cita MLA

Snell, Chester Arthur, et al. Colorimetric Methods of Analysis Including Photometric Methods. 1969.