Billings Land Reclamation Symposium on Selenium in Arid and Semiarid Environments, Western United States, Severson, R. C., Fisher, S., & Gough, L. P. (1991). Proceedings of the 1990 Billings Land Reclamation Symposium on Selenium in Arid and Semiarid Environments, Western United States. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationBillings Land Reclamation Symposium on Selenium in Arid and Semiarid Environments, Western United States, R. C. Severson, Scott Fisher, and L. P. Gough. Proceedings of the 1990 Billings Land Reclamation Symposium on Selenium in Arid and Semiarid Environments, Western United States. [Reston, Virginia]: U.S. Department of the Interior, U.S. Geological Survey, 1991.
MLA (9th ed.) CitationBillings Land Reclamation Symposium on Selenium in Arid and Semiarid Environments, Western United States, et al. Proceedings of the 1990 Billings Land Reclamation Symposium on Selenium in Arid and Semiarid Environments, Western United States. U.S. Department of the Interior, U.S. Geological Survey, 1991.