International Clean Air Congress < 1970, Washington, D.C.>, Englund, H. M., & Beery, W. T. (1971). Proceedings of the second International Clean Air Congress. Academic Press.
Chicago Style (17th ed.) CitationInternational Clean Air Congress < 1970, Washington, D.C.>, H. M. Englund, and W. T. Beery. Proceedings of the Second International Clean Air Congress. San Diego, California London, England: Academic Press, 1971.
MLA (9th ed.) CitationInternational Clean Air Congress < 1970, Washington, D.C.>, et al. Proceedings of the Second International Clean Air Congress. Academic Press, 1971.
Warning: These citations may not always be 100% accurate.