Cita APA (7a ed.)

Freud, S., Freud, A., Strachey, J., & Tyson, A. (2001). Beyond the pleasure principle. Group psychology and other works: (1920 - 1922). Vintage.

Cita Chicago Style (17a ed.)

Freud, Sigmund, Anna Freud, James Strachey, y Alan Tyson. Beyond the Pleasure Principle. Group Psychology and Other Works: (1920 - 1922). London: Vintage, 2001.

Cita MLA (8a ed.)

Freud, Sigmund, et al. Beyond the Pleasure Principle. Group Psychology and Other Works: (1920 - 1922). Vintage, 2001.