APA Edition Citation

Kettlewell, B. (1973). Evolution of melanism: The study of a recurring necessity with special reference to industrial melanism in the lepidoptera.

Chicago Edition Citation

Kettlewell, Bernard. Evolution of Melanism: The Study of a Recurring Necessity with Special Reference to Industrial Melanism in the Lepidoptera. Clarendon Press, Oxford, 1973.

MLA Edition Citation

Kettlewell, Bernard. Evolution of Melanism: The Study of a Recurring Necessity with Special Reference to Industrial Melanism in the Lepidoptera. 1973.

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