APA (7th ed.) Citation
Conference in the Matter of Pollution of Lake Superior and its Tributary Basin in the States of Minnesota, Wisconsin, and Michigan Duluth, & United States. Environmental Protection Agency. Water Quality Office. (1971). Proceedings: Second meeting of the second session (reconvened) Duluth, Minnesota, January 14-15, 1971. Environmental Protection Agency, Water Quality Office.
Chicago Style (17th ed.) Citation
Conference in the Matter of Pollution of Lake Superior and its Tributary Basin in the States of Minnesota, Wisconsin, and Michigan Duluth, and United States. Environmental Protection Agency. Water Quality Office. Proceedings: Second Meeting of the Second Session (reconvened) Duluth, Minnesota, January 14-15, 1971. [Washington]: Environmental Protection Agency, Water Quality Office, 1971.
MLA (9th ed.) Citation
Conference in the Matter of Pollution of Lake Superior and its Tributary Basin in the States of Minnesota, Wisconsin, and Michigan Duluth, and United States. Environmental Protection Agency. Water Quality Office. Proceedings: Second Meeting of the Second Session (reconvened) Duluth, Minnesota, January 14-15, 1971. Environmental Protection Agency, Water Quality Office, 1971.
Warning: These citations may not always be 100% accurate.