APA (7th ed.) Citation

Cunningham, C. G. (1994). Ages of selected intrusive rocks and associated ore deposits in the Colorado Mineral Belt. United States Government Printing Office.

Chicago Style (17th ed.) Citation

Cunningham, Charles G. Ages of Selected Intrusive Rocks and Associated Ore Deposits in the Colorado Mineral Belt. Washington: United States Government Printing Office, 1994.

MLA (9th ed.) Citation

Cunningham, Charles G. Ages of Selected Intrusive Rocks and Associated Ore Deposits in the Colorado Mineral Belt. United States Government Printing Office, 1994.