APA (7th ed.) Citation

United States. Bureau of Land Management & National Operations Center (U.S.). (2018). Montana: 1:100,000-scale topographic map : 30 x 60 minute series (topographic) (BLM, 2018.). U.S. Department of Interior, Bureau of Land Management.

Chicago Style (17th ed.) Citation

United States. Bureau of Land Management and National Operations Center (U.S.). Montana: 1:100,000-scale Topographic Map : 30 X 60 Minute Series (topographic). BLM, 2018. [Reston, Va.]: U.S. Department of Interior, Bureau of Land Management, 2018.

MLA (9th ed.) Citation

United States. Bureau of Land Management and National Operations Center (U.S.). Montana: 1:100,000-scale Topographic Map : 30 X 60 Minute Series (topographic). BLM, 2018. U.S. Department of Interior, Bureau of Land Management, 2018.