Butterfield, W. J. A., & Leeds, F. H. (2005). Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power. Project Gutenberg.
Chicago Style (17th ed.) CitationButterfield, W. J. Atkinson, and F. H. Leeds. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power. Project Gutenberg, 2005.
MLA (9th ed.) CitationButterfield, W. J. Atkinson, and F. H. Leeds. Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power. Project Gutenberg, 2005.