APA (7th ed.) Citation

O'Harra, B. M., & University of Missouri. School of Mines and Metallurgy. (1923). The electrothermic metallurgy of zinc. Govt. print. off..

Chicago Style (17th ed.) Citation

O'Harra, B. Marvel, and University of Missouri. School of Mines and Metallurgy. The Electrothermic Metallurgy of Zinc. Washington: Govt. print. off., 1923.

MLA (8th ed.) Citation

O'Harra, B. Marvel, and University of Missouri. School of Mines and Metallurgy. The Electrothermic Metallurgy of Zinc. Govt. print. off., 1923.

Warning: These citations may not always be 100% accurate.