APA (7th ed.) Citation

Girty, G. H. (1903). The Carboniferous formations and faunas of Colorado. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Girty, George Herbert. The Carboniferous Formations and Faunas of Colorado. Washington: Department of the Interior, United States Geological Survey, 1903.

MLA (9th ed.) Citation

Girty, George Herbert. The Carboniferous Formations and Faunas of Colorado. Department of the Interior, United States Geological Survey, 1903.

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