APA (7th ed.) Citation

Jackson, C. F., Knaebel, J. B., & Wright, C. A. (1935). Lead and zinc mining and milling in the United States: Current practices and costs. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Jackson, Charles Freeman, John B. Knaebel, and Chilton Austin Wright. Lead and Zinc Mining and Milling in the United States: Current Practices and Costs. Washington: U.S. G.P.O., 1935.

MLA (8th ed.) Citation

Jackson, Charles Freeman, et al. Lead and Zinc Mining and Milling in the United States: Current Practices and Costs. U.S. G.P.O., 1935.