APA (7th ed.) Citation

Wade, L. V. (1975). Mine roof simulator: Definition and discussion of parameters. U.S. Dept. of the Interior.

Chicago Style (17th ed.) Citation

Wade, Lewis V. Mine Roof Simulator: Definition and Discussion of Parameters. Washington, D.C.: U.S. Dept. of the Interior, 1975.

MLA (9th ed.) Citation

Wade, Lewis V. Mine Roof Simulator: Definition and Discussion of Parameters. U.S. Dept. of the Interior, 1975.