Παραπομπή APA

Darwin, C. (2008). Evolution: Selected letters of Charles Darwin 1860-1870. Cambridge University Press.

Παραπομπή Chicago Style

Darwin, Charles. Evolution: Selected Letters of Charles Darwin 1860-1870. Cambridge ; New York: Cambridge University Press, 2008.

Παραπομπή MLA

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