APA (7th ed.) Citation

Oatley, K., Keltner, D., & Jenkins, J. M. (2006). Understanding emotions (2nd ed.). Blackwell.

Chicago Style (17th ed.) Citation

Oatley, Keith, Dacher Keltner, and Jennifer M. Jenkins. Understanding Emotions. 2nd ed. Malden, Mass. ; Oxford: Blackwell, 2006.

MLA (8th ed.) Citation

Oatley, Keith, et al. Understanding Emotions. 2nd ed. Blackwell, 2006.