APA (7th ed.) Citation

Darwin, C., Burkhardt, F., Evans, S., Pearn, A. M., & Attenborough, D. (2008). Evolution: Selected letters of Charles Darwin 1860-1870. Cambridge University Press.

Chicago Style (17th ed.) Citation

Darwin, Charles, Frederick Burkhardt, Samantha Evans, Alison M. Pearn, and David Attenborough. Evolution: Selected Letters of Charles Darwin 1860-1870. Cambridge ; New York: Cambridge University Press, 2008.

MLA (8th ed.) Citation

Darwin, Charles, et al. Evolution: Selected Letters of Charles Darwin 1860-1870. Cambridge University Press, 2008.