APA (7th ed.) Citation

Darwin, E., & King-Hele, D. (1981). The Letters of Erasmus Darwin. Cambridge University Press.

Chicago Style (17th ed.) Citation

Darwin, Erasmus, and Desmond King-Hele. The Letters of Erasmus Darwin. Cambridge, [Cambridgeshire] ; New York: Cambridge University Press, 1981.

MLA (9th ed.) Citation

Darwin, Erasmus, and Desmond King-Hele. The Letters of Erasmus Darwin. Cambridge University Press, 1981.