APA (7th ed.) Citation

Darwin, C., Barrett, P. H., & Freeman, R. B. (1987). The works of Charles Darwin. New York University Press.

Chicago Style (17th ed.) Citation

Darwin, Charles, Paul H. Barrett, and R. B. Freeman. The Works of Charles Darwin. New York: New York University Press, 1987.

MLA (8th ed.) Citation

Darwin, Charles, et al. The Works of Charles Darwin. New York University Press, 1987.