APA (7th ed.) Citation

Fields, H. H., Perry, J. H., & Deul, M. (1975). Commercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed. U.S. Dept. of the Interior.

Chicago Style (17th ed.) Citation

Fields, Herbert H., John H. Perry, and Maurice Deul. Commercial-quality Gas from the Multipurpose Borehole Located in the Pittsburgh Coalbed. Washington, D.C.: U.S. Dept. of the Interior, 1975.

MLA (9th ed.) Citation

Fields, Herbert H., et al. Commercial-quality Gas from the Multipurpose Borehole Located in the Pittsburgh Coalbed. U.S. Dept. of the Interior, 1975.