Society of Mining Engineers of AIME. Coal Division, Crickmer, D. F., & Zegeer, D. A. (1981). Elements of practical coal mining (2nd ed.). Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers.
Chicago Style (17th ed.) CitationSociety of Mining Engineers of AIME. Coal Division, Douglas F. Crickmer, and David A. Zegeer. Elements of Practical Coal Mining. 2nd ed. New York: Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers, 1981.
MLA (9th ed.) CitationSociety of Mining Engineers of AIME. Coal Division, et al. Elements of Practical Coal Mining. 2nd ed. Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers, 1981.
Warning: These citations may not always be 100% accurate.