APA (7th ed.) Citation

Snedden, R. (2013). Variation in living things. Raintree.

Chicago Style (17th ed.) Citation

Snedden, Robert. Variation in Living Things. London: Raintree, 2013.

MLA (9th ed.) Citation

Snedden, Robert. Variation in Living Things. Raintree, 2013.

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