APA (7th ed.) Citation

Dunbar, C. O., & Schuchert, C. (1941). Outlines of historical geology. John Wiley.

Chicago Style (17th ed.) Citation

Dunbar, Carl O., and Charles Schuchert. Outlines of Historical Geology. John Wiley, 1941.

MLA (8th ed.) Citation

Dunbar, Carl O., and Charles Schuchert. Outlines of Historical Geology. John Wiley, 1941.

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