Gilbert, C., Luxenberg, G. A., & Tolon, M. (1990). Historic landscape report: Spalding Unit, Nez Perce National Historical Park, Idaho. U.S. Dept. of the Interior, National Park Service, Pacific Northwest Region, Cultural Resources Division.
Style de citation Chicago (17e éd.)Gilbert, Cathy, Gretchen A. Luxenberg, et Marsha Tolon. Historic Landscape Report: Spalding Unit, Nez Perce National Historical Park, Idaho. Seattle, Wash.: U.S. Dept. of the Interior, National Park Service, Pacific Northwest Region, Cultural Resources Division, 1990.
Style de citation MLA (8e éd.)Gilbert, Cathy, et al. Historic Landscape Report: Spalding Unit, Nez Perce National Historical Park, Idaho. U.S. Dept. of the Interior, National Park Service, Pacific Northwest Region, Cultural Resources Division, 1990.