Manni, M. F., Le, Y., & Hollenhorst, S. J. (2013). Missouri National Recreational River visitor study: Summer 2012. U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science.
Chicago Style (17th ed.) CitationManni, Marc F., Yen Le, and Steven J. Hollenhorst. Missouri National Recreational River Visitor Study: Summer 2012. Fort Collins, Colorado: U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2013.
MLA (9th ed.) CitationManni, Marc F., et al. Missouri National Recreational River Visitor Study: Summer 2012. U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2013.
Warning: These citations may not always be 100% accurate.