American Society for Metals, Westbrook, J. H., & Conrad, H. (1973). The Science of hardness testing and its research applications. American Society for Metals.
Chicago Style (17th ed.) CitationAmerican Society for Metals, J. H. Westbrook, and Hans Conrad. The Science of Hardness Testing and Its Research Applications. Metals Park, Ohio: American Society for Metals, 1973.
MLA (9th ed.) CitationAmerican Society for Metals, et al. The Science of Hardness Testing and Its Research Applications. American Society for Metals, 1973.
Warning: These citations may not always be 100% accurate.