APA Citation

Darwin, C., Burkhardt, F., & Secord, J. A. (2017). The correspondence of Charles Darwin, Volume 25: 1877. Cambridge: Cambridge University Press.

Chicago Style Citation

Darwin, Charles, Frederick Burkhardt, and James A. Secord. The Correspondence of Charles Darwin, Volume 25: 1877. Cambridge: Cambridge University Press, 2017.

MLA Citation

Darwin, Charles, Frederick Burkhardt, and James A. Secord. The Correspondence of Charles Darwin, Volume 25: 1877. Cambridge: Cambridge University Press, 2017.