APA (7th ed.) Citation

United States. Bureau of Land Management, United States. Bureau of Land Management. Montana State Office, & National Operations Center (U.S.). (2013). Montana: Billings : 30 x 60 minute series (topographic) (BLM, 2013.). U.S. Department of the Interior, Bureau of Land Management.

Chicago Style (17th ed.) Citation

United States. Bureau of Land Management, United States. Bureau of Land Management. Montana State Office, and National Operations Center (U.S.). Montana: Billings : 30 X 60 Minute Series (topographic). BLM, 2013. [Reston, Virginia]: U.S. Department of the Interior, Bureau of Land Management, 2013.

MLA (9th ed.) Citation

United States. Bureau of Land Management, et al. Montana: Billings : 30 X 60 Minute Series (topographic). BLM, 2013. U.S. Department of the Interior, Bureau of Land Management, 2013.