APA (7th ed.) Citation

Riesenfeld, F. C., & Kohl, A. L. (1974). Gas purification (2d ed.). Gulf Pub. Co..

Chicago Style (17th ed.) Citation

Riesenfeld, Fred C., and Arthur L. Kohl. Gas Purification. 2d ed. Houston: Gulf Pub. Co., 1974.

MLA (9th ed.) Citation

Riesenfeld, Fred C., and Arthur L. Kohl. Gas Purification. 2d ed. Gulf Pub. Co., 1974.