Cita APA (7a ed.)
Bell, P. R. (1959). Darwin's biological work: Some aspects reconsidered. University Press.
Cita Chicago Style (17a ed.)
Bell, Peter Robert. Darwin's Biological Work: Some Aspects Reconsidered. Cambridge: University Press, 1959.
Cita MLA (9a ed.)
Bell, Peter Robert. Darwin's Biological Work: Some Aspects Reconsidered. University Press, 1959.
Precaución: Estas citas no son 100% exactas.