Campbell, H. L., & Campbell, H. L. (1947). The Working, heat treating, and welding of steel: Supplemented with a series of laboratory assignments. -- (2. edition --.). New York, New York: Willey.
Chicago Style CitationCampbell, Harry L., and Harry L. Campbell. The Working, Heat Treating, and Welding of Steel: Supplemented With a Series of Laboratory Assignments. --. 2. edition --. New York, New York: Willey, 1947.
MLA CitationCampbell, Harry L., and Harry L. Campbell. The Working, Heat Treating, and Welding of Steel: Supplemented With a Series of Laboratory Assignments. --. 2. edition --. New York, New York: Willey, 1947.
Warning: These citations may not always be 100% accurate.