APA (7th ed.) Citation

Johnson, B. V., Strebig, K. C., & Krepela, S. W. (1975). Field testing the microminer--research continuous miner. U.S. Dept. of the Interior.

Chicago Style (17th ed.) Citation

Johnson, Bradley V., Kelly C. Strebig, and Scott W. Krepela. Field Testing the Microminer--research Continuous Miner. [Washington, D.C.]: U.S. Dept. of the Interior, 1975.

MLA (9th ed.) Citation

Johnson, Bradley V., et al. Field Testing the Microminer--research Continuous Miner. U.S. Dept. of the Interior, 1975.