United States. National Park Service. Columbia Cascades System Support Office, Historical Research Associates, & Amphion (Firm). (1996). City of Rocks National Reserve, southcentral Idaho. National Park Service.
Chicago Style (17th ed.) CitationUnited States. National Park Service. Columbia Cascades System Support Office, Historical Research Associates, and Amphion (Firm). City of Rocks National Reserve, Southcentral Idaho. [Seattle, Wash.?]: National Park Service, 1996.
MLA (9th ed.) CitationUnited States. National Park Service. Columbia Cascades System Support Office, et al. City of Rocks National Reserve, Southcentral Idaho. National Park Service, 1996.
Warning: These citations may not always be 100% accurate.