APA (7th ed.) Citation

National Lead Company & Poston, R. H. (1932). Sinking practice and costs at Pim shaft, St. Louis Smelting and Refining Works of National Lead Company, St. Francois, Mo. [publisher not identified].

Chicago Style (17th ed.) Citation

National Lead Company and Roy H. Poston. Sinking Practice and Costs at Pim Shaft, St. Louis Smelting and Refining Works of National Lead Company, St. Francois, Mo. Washington, D.C.: [publisher not identified], 1932.

MLA (9th ed.) Citation

National Lead Company and Roy H. Poston. Sinking Practice and Costs at Pim Shaft, St. Louis Smelting and Refining Works of National Lead Company, St. Francois, Mo. [publisher not identified], 1932.