APA (7th ed.) Citation

Kim, A. G. (1975). Methane in the Pittsburgh coalbed, Greene County, Pa. U.S. Dept. of the Interior.

Chicago Style (17th ed.) Citation

Kim, Ann G. Methane in the Pittsburgh Coalbed, Greene County, Pa. Washington, D.C.: U.S. Dept. of the Interior, 1975.

MLA (9th ed.) Citation

Kim, Ann G. Methane in the Pittsburgh Coalbed, Greene County, Pa. U.S. Dept. of the Interior, 1975.