APA (7th ed.) Citation

Keyes, C. R., & Iowa Geological Survey. (1913). Annotated bibliography of Iowa geology and mining. Iowa Geological Survey.

Chicago Style (17th ed.) Citation

Keyes, Charles Rollin, and Iowa Geological Survey. Annotated Bibliography of Iowa Geology and Mining. Des Moines: Iowa Geological Survey, 1913.

MLA (8th ed.) Citation

Keyes, Charles Rollin, and Iowa Geological Survey. Annotated Bibliography of Iowa Geology and Mining. Iowa Geological Survey, 1913.

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