APA (7th ed.) Citation

Houseknecht, D. W. (1982). Probability of encountering coalbed discontinuities during vertical and horizontal borehole drilling. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Houseknecht, David W. Probability of Encountering Coalbed Discontinuities During Vertical and Horizontal Borehole Drilling. Avondale, Md.: U.S. Dept. of the Interior, Bureau of Mines, 1982.

MLA (9th ed.) Citation

Houseknecht, David W. Probability of Encountering Coalbed Discontinuities During Vertical and Horizontal Borehole Drilling. U.S. Dept. of the Interior, Bureau of Mines, 1982.