Gionfriddo, J. P., Culver, D. R., Stevens, J., United States. National Park Service., & Colorado Natural Heritage Program. (2002). Biological survey of Bent's Old Fort National Historic Site, Otero County, Colorado. Colorado State University, Colorado Natural Heritage Program.
Chicago Style (17th ed.) CitationGionfriddo, James Paul., Denise R. Culver, Joe Stevens, United States. National Park Service, and Colorado Natural Heritage Program. Biological Survey of Bent's Old Fort National Historic Site, Otero County, Colorado. Fort Collins, Colo.: Colorado State University, Colorado Natural Heritage Program, 2002.
MLA (8th ed.) CitationGionfriddo, James Paul., et al. Biological Survey of Bent's Old Fort National Historic Site, Otero County, Colorado. Colorado State University, Colorado Natural Heritage Program, 2002.