APA (7th ed.) Citation

Erwin, D. H., & Valentine, J. W. (2013). The Cambrian explosion: The construction of animal biodiversity. Roberts and Company.

Chicago Style (17th ed.) Citation

Erwin, Douglas H., and James W. Valentine. The Cambrian Explosion: The Construction of Animal Biodiversity. Greenwood Village, Colo: Roberts and Company, 2013.

MLA (9th ed.) Citation

Erwin, Douglas H., and James W. Valentine. The Cambrian Explosion: The Construction of Animal Biodiversity. Roberts and Company, 2013.