APA (7th ed.) Citation

(1973). Evolution by natural selection (Repr.). Open Univ. Press.

Chicago Style (17th ed.) Citation

Evolution by Natural Selection. Repr. Milton Keynes: Open Univ. Press, 1973.

MLA (9th ed.) Citation

Evolution by Natural Selection. Repr. Open Univ. Press, 1973.

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