Darwin's biological work;
some aspects reconsidered,
by P.R. Bell [and others] Edited by P.R. Bell.

APA Citation

Bell, P. Robert. (1959). Darwin's biological work: some aspects reconsidered. Cambridge [Eng.]: University Press.

MLA Citation

Bell, Peter Robert. Darwin's Biological Work: Some Aspects Reconsidered. Cambridge [Eng.]: University Press, 1959.

Warning: These citations may not always be complete (especially for serials).