APA (7th ed.) Citation

Girty, G. H. (1903). The carboniferous formations and faunas of Colorado. Gov. Print. Off.

Chicago Style (17th ed.) Citation

Girty, George Herbert. The Carboniferous Formations and Faunas of Colorado. Washington: Gov. Print. Off, 1903.

MLA (9th ed.) Citation

Girty, George Herbert. The Carboniferous Formations and Faunas of Colorado. Gov. Print. Off, 1903.

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