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.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.