APA (7th ed.) Citation

Kruuk, L., Merila, J., & Sheldon, B. (2003). When environmental variation short-circuits natural selection.

Chicago Style (17th ed.) Citation

Kruuk, L., J. Merila, and B. Sheldon. When Environmental Variation Short-circuits Natural Selection. 2003.

MLA (9th ed.) Citation

Kruuk, L., et al. When Environmental Variation Short-circuits Natural Selection. 2003.