Cita APA (7th ed.)
Darwin, C., & Van Wyhe, J. (2009). Charles Darwin's shorter publications, 1829-1883. Cambridge University Press.
Cita Chicago (17th ed.)
Darwin, Charles, i John Van Wyhe. Charles Darwin's Shorter Publications, 1829-1883. Cambridge: Cambridge University Press, 2009.
Cita MLA (9th ed.)
Darwin, Charles, i John Van Wyhe. Charles Darwin's Shorter Publications, 1829-1883. Cambridge University Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.