APA (7th ed.) Citation

Geological Survey (U.S.). (1981). 1:100 000-scale metric topographic map of Cheyenne Wells, Colorado--Kansas: 30 x 60 minute series (topographic) (Map edited 1981.). The Bureau.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). 1:100 000-scale Metric Topographic Map of Cheyenne Wells, Colorado--Kansas: 30 X 60 Minute Series (topographic). Map edited 1981. Reston, Va.: The Bureau, 1981.

MLA (9th ed.) Citation

Geological Survey (U.S.). 1:100 000-scale Metric Topographic Map of Cheyenne Wells, Colorado--Kansas: 30 X 60 Minute Series (topographic). Map edited 1981. The Bureau, 1981.