Haas, P., & Hill, T. G. (1917). An introduction to the chemistry of plant products (2d ed.). Longmans, Green and Co..

Haas, Paul, and Thomas George Hill. An Introduction to the Chemistry of Plant Products. 2d ed. London : New York [etc.]: Longmans, Green and Co., 1917.

Haas, Paul, and Thomas George Hill. An Introduction to the Chemistry of Plant Products. 2d ed. Longmans, Green and Co., 1917.