Bloser, S., Creamer, D., Napper, C., Scheetz, B. E., & Ziegler, T. (2014). Environmentally sensitive maintenance practices for dirt and gravel roads. United States Department of Agriculture, Forest Service, National Technology & Development Program ; Center for Dirt and Gravel Road Studies.
Chicago Style (17th ed.) CitationBloser, Steve, Dave Creamer, Carolyn Napper, Barry E. Scheetz, and Tim Ziegler. Environmentally Sensitive Maintenance Practices for Dirt and Gravel Roads. [San Dimas, Calif.?] : University Park, PA: United States Department of Agriculture, Forest Service, National Technology & Development Program ; Center for Dirt and Gravel Road Studies, 2014.
MLA (9th ed.) CitationBloser, Steve, et al. Environmentally Sensitive Maintenance Practices for Dirt and Gravel Roads. United States Department of Agriculture, Forest Service, National Technology & Development Program ; Center for Dirt and Gravel Road Studies, 2014.