APA (7th ed.) Citation

Malenka, W. T., Brennan, R. J., Mines, U. S. B. o., & Corp, G. A. C. (1966). Experimental longwall mining in a Pennsylvania anthracite mine (in two parts). U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Malenka, Wilbert T., Robert J. Brennan, United States. Bureau of Mines, and Glen Alden Coal Corp. Experimental Longwall Mining in a Pennsylvania Anthracite Mine (in Two Parts). U.S. Dept. of the Interior, Bureau of Mines, 1966.

MLA (8th ed.) Citation

Malenka, Wilbert T., et al. Experimental Longwall Mining in a Pennsylvania Anthracite Mine (in Two Parts). U.S. Dept. of the Interior, Bureau of Mines, 1966.