APA (7th ed.) Citation

Messner, M. E., & Kinneberg, D. A. (1969). Direct converter smelting at Utah using oxygen. Journal of Metals (1949), 21, 23.

Chicago Style (17th ed.) Citation

Messner, M. E., and D. A. Kinneberg. "Direct Converter Smelting at Utah Using Oxygen." Journal of Metals (1949) 21 (1969): 23.

MLA (9th ed.) Citation

Messner, M. E., and D. A. Kinneberg. "Direct Converter Smelting at Utah Using Oxygen." Journal of Metals (1949), vol. 21, 1969, p. 23.