Isaacs, A., & McKelvy, E. C. (1920). Causes and prevention of formation of noncondensible gases in ammonia absorption refrigeration machines. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationIsaacs, Aaron, and Ernest Christian McKelvy. Causes and Prevention of Formation of Noncondensible Gases in Ammonia Absorption Refrigeration Machines. [Washington?]: U.S. Government Printing Office, 1920.
MLA (9th ed.) CitationIsaacs, Aaron, and Ernest Christian McKelvy. Causes and Prevention of Formation of Noncondensible Gases in Ammonia Absorption Refrigeration Machines. U.S. Government Printing Office, 1920.
Warning: These citations may not always be 100% accurate.