APA (7th ed.) Citation

Dunbar, C. O., & Waage, K. M. (1969). Historical geology. Wiley.

Chicago Style (17th ed.) Citation

Dunbar, Carl O., and Karl M. Waage. Historical Geology. New York: Wiley, 1969.

MLA (9th ed.) Citation

Dunbar, Carl O., and Karl M. Waage. Historical Geology. Wiley, 1969.