APA (7th ed.) Citation

United States. Bureau of Land Management. (1989). 1:100 000-scale metric topographic map of Plains, Montana, 1980: 30 X 60 minute series (topographic) (BLM ed.--1988.). The Bureau ; BLM State Office.

Chicago Style (17th ed.) Citation

United States. Bureau of Land Management. 1:100 000-scale Metric Topographic Map of Plains, Montana, 1980: 30 X 60 Minute Series (topographic). BLM ed.--1988. Reston, Va. : Billings, MT: The Bureau ; BLM State Office, 1989.

MLA (9th ed.) Citation

United States. Bureau of Land Management. 1:100 000-scale Metric Topographic Map of Plains, Montana, 1980: 30 X 60 Minute Series (topographic). BLM ed.--1988. The Bureau ; BLM State Office, 1989.