APA (7th ed.) Citation

United States. Bureau of Land Management. (1992). 1:100 000-scale metric topographic map of Big Bear Lake, California: 30 x 60 minute series (topographic) (BLM ed.--1992.). The Bureau ; BLM State Office.

Chicago Style (17th ed.) Citation

United States. Bureau of Land Management. 1:100 000-scale Metric Topographic Map of Big Bear Lake, California: 30 X 60 Minute Series (topographic). BLM ed.--1992. [Reston, Va.] : Sacramento, CA: The Bureau ; BLM State Office, 1992.

MLA (9th ed.) Citation

United States. Bureau of Land Management. 1:100 000-scale Metric Topographic Map of Big Bear Lake, California: 30 X 60 Minute Series (topographic). BLM ed.--1992. The Bureau ; BLM State Office, 1992.