APA (7th ed.) Citation

Kissell, F. N., McCulloch, C. M., & Elder, C. H. (1973). The direct method of determining methane content of coalbeds for ventilation design. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Kissell, Fred N., C. M. McCulloch, and C. H. Elder. The Direct Method of Determining Methane Content of Coalbeds for Ventilation Design. [Pittsburgh, Pa.]: U.S. Dept. of the Interior, Bureau of Mines, 1973.

MLA (9th ed.) Citation

Kissell, Fred N., et al. The Direct Method of Determining Methane Content of Coalbeds for Ventilation Design. U.S. Dept. of the Interior, Bureau of Mines, 1973.