Francis, J. L., & Rogers, S. J. (1959). Some casting defects-their causes and cures. [s.l.]: [s.n.].
Chicago Style CitationFrancis, J. L., and S. J. Rogers. Some Casting Defects-their Causes and Cures. [s.l.]: [s.n.], 1959.
MLA CitationFrancis, J. L., and S. J. Rogers. Some Casting Defects-their Causes and Cures. [s.l.]: [s.n.], 1959.
Warning: These citations may not always be 100% accurate.