Cita APA (7th ed.)

ebrary, Inc, Hess, U., & Philippot, P. (2007). Group dynamics and emotional expression. Cambridge University Press.

Cita Chicago (17th ed.)

ebrary, Inc, Ursula Hess, i Pierre Philippot. Group Dynamics and Emotional Expression. Cambridge ; New York: Cambridge University Press, 2007.

Cita MLA (9th ed.)

ebrary, Inc, et al. Group Dynamics and Emotional Expression. Cambridge University Press, 2007.