Schwarzkopf, P., & Kieffer, R. (1953). Refractory hard metals / by P. Schwarzkopf and R. Kieffer. Macmillan.
Chicago Style (17th ed.) CitationSchwarzkopf, P., and R. Kieffer. Refractory Hard Metals / by P. Schwarzkopf and R. Kieffer. Macmillan, 1953.
MLA (9th ed.) CitationSchwarzkopf, P., and R. Kieffer. Refractory Hard Metals / by P. Schwarzkopf and R. Kieffer. Macmillan, 1953.
Warning: These citations may not always be 100% accurate.