APA (7th ed.) Citation

Darwin, C. (1977). The collected papers of Charles Darwin. University of Chicago Press.

Chicago Style (17th ed.) Citation

Darwin, Charles. The Collected Papers of Charles Darwin. Chicago: University of Chicago Press, 1977.

MLA (9th ed.) Citation

Darwin, Charles. The Collected Papers of Charles Darwin. University of Chicago Press, 1977.

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