Hughes, H. A., & Perumpral, J. V. (1975). Methane, the economic question. Agricultural Engineering Dept., Virginia Polytechnic Institute and State University.
Chicago Style (17th ed.) CitationHughes, Harold A., and J. V. Perumpral. Methane, the Economic Question. Blacksburg, Va.: Agricultural Engineering Dept., Virginia Polytechnic Institute and State University, 1975.
MLA (9th ed.) CitationHughes, Harold A., and J. V. Perumpral. Methane, the Economic Question. Agricultural Engineering Dept., Virginia Polytechnic Institute and State University, 1975.
Warning: These citations may not always be 100% accurate.