APA (7th ed.) Citation

Herbert, S. (2005). Charles Darwin, geologist. Cornell University Press.

Chicago Style (17th ed.) Citation

Herbert, Sandra. Charles Darwin, Geologist. Ithaca [etc.]: Cornell University Press, 2005.

MLA (9th ed.) Citation

Herbert, Sandra. Charles Darwin, Geologist. Cornell University Press, 2005.

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