APA (7th ed.) Citation

Dunbar, C. O. (1960). Historical geology. John Wiley r Sons.

Chicago Style (17th ed.) Citation

Dunbar, Carl O. Historical Geology. John Wiley r Sons, 1960.

MLA (8th ed.) Citation

Dunbar, Carl O. Historical Geology. John Wiley r Sons, 1960.

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