APA (7th ed.) Citation

Boyd, D. (1897). Irrigation near Greeley, Colorado. United States Geological Survey.

Chicago Style (17th ed.) Citation

Boyd, David. Irrigation Near Greeley, Colorado. [Washington, D.C.]: United States Geological Survey, 1897.

MLA (9th ed.) Citation

Boyd, David. Irrigation Near Greeley, Colorado. United States Geological Survey, 1897.

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