APA (7th ed.) Citation

United States. Bureau of Land Management. (2021). Montana recreation guide (Rev. 2011, 2014, 2021.). U.S. Department of the Interior, Bureau of Land Management.

Chicago Style (17th ed.) Citation

United States. Bureau of Land Management. Montana Recreation Guide. Rev. 2011, 2014, 2021. [Billings, Mont.]: U.S. Department of the Interior, Bureau of Land Management, 2021.

MLA (9th ed.) Citation

United States. Bureau of Land Management. Montana Recreation Guide. Rev. 2011, 2014, 2021. U.S. Department of the Interior, Bureau of Land Management, 2021.