APA (7th ed.) Citation

Unck, C., Waterman, J., Verburgt, L., & Bateman, B. (2009). Quantity versus quality: How does level of predation threat affect Cape ground squirrel vigilance? Elsevier Ltd.

Chicago Style (17th ed.) Citation

Unck, C., J. Waterman, L. Verburgt, and Bill Bateman. Quantity Versus Quality: How Does Level of Predation Threat Affect Cape Ground Squirrel Vigilance? Elsevier Ltd, 2009.

MLA (9th ed.) Citation

Unck, C., et al. Quantity Versus Quality: How Does Level of Predation Threat Affect Cape Ground Squirrel Vigilance? Elsevier Ltd, 2009.