APA (7th ed.) Citation

Denver GeoTech '89 Lakewood, Colo. (1989). Denver GeoTech '89: Geoscientific information systems appplied to exploration and research. Denver GeoTech.

Chicago Style (17th ed.) Citation

Denver GeoTech '89 Lakewood, Colo. Denver GeoTech '89: Geoscientific Information Systems Appplied to Exploration and Research. [Denver, Colo.]: Denver GeoTech, 1989.

MLA (9th ed.) Citation

Denver GeoTech '89 Lakewood, Colo. Denver GeoTech '89: Geoscientific Information Systems Appplied to Exploration and Research. Denver GeoTech, 1989.

Warning: These citations may not always be 100% accurate.