APA (7th ed.) Citation

Gerstner, P. (1994). Henry Darwin Rogers, 1808-1866: American geologist. University of Alabama Press.

Chicago Style (17th ed.) Citation

Gerstner, Patsy. Henry Darwin Rogers, 1808-1866: American Geologist. Tuscaloosa, Ala.: University of Alabama Press, 1994.

MLA (9th ed.) Citation

Gerstner, Patsy. Henry Darwin Rogers, 1808-1866: American Geologist. University of Alabama Press, 1994.