Cain, J. R., Goutal, E., & Pettijohn, E. (1919). Study of Goutal method for determining carbon monoxide and carbon dioxide in steels. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationCain, J. R., E. Goutal, and Earl Pettijohn. Study of Goutal Method for Determining Carbon Monoxide and Carbon Dioxide in Steels. [Washington?]: U.S. Government Printing Office, 1919.
MLA (9th ed.) CitationCain, J. R., et al. Study of Goutal Method for Determining Carbon Monoxide and Carbon Dioxide in Steels. U.S. Government Printing Office, 1919.
Warning: These citations may not always be 100% accurate.