Bell, P. R. (1959). Darwin's biological work: Some aspects reconsidered. Cambridge: University Press.
Chicago Style CitationBell, Peter Robert. Darwin's Biological Work: Some Aspects Reconsidered. Cambridge: University Press, 1959.
MLA CitationBell, Peter Robert. Darwin's Biological Work: Some Aspects Reconsidered. Cambridge: University Press, 1959.
Warning: These citations may not always be 100% accurate.