APA (7th ed.) Citation

United States. Bureau of Land Management. (2017). Emigrant trails: California National Historic Trail map and guide. U.S. Department of the Interior, Bureau of Land Management.

Chicago Style (17th ed.) Citation

United States. Bureau of Land Management. Emigrant Trails: California National Historic Trail Map and Guide. [Sacramento, Calif.?]: U.S. Department of the Interior, Bureau of Land Management, 2017.

MLA (9th ed.) Citation

United States. Bureau of Land Management. Emigrant Trails: California National Historic Trail Map and Guide. U.S. Department of the Interior, Bureau of Land Management, 2017.