APA (7th ed.) Citation

(1959). Darwin's biological work: Some aspects reconsidered. Univ. Press.

Chicago Style (17th ed.) Citation

Darwin's Biological Work: Some Aspects Reconsidered. Cambridge: Univ. Press, 1959.

MLA (9th ed.) Citation

Darwin's Biological Work: Some Aspects Reconsidered. Univ. Press, 1959.

Warning: These citations may not always be 100% accurate.