Cita APA (7a ed.)

European Congress of Psychology, Drenth, P. J. D., Sergeant, J. A., & Takens, R. J. (1990). European perspectives in psychology. John Wiley & Sons.

Cita Chicago Style (17a ed.)

European Congress of Psychology, Pieter J. D. Drenth, Joseph A. Sergeant, y Roelf J. Takens. European Perspectives in Psychology. Chichester [etc.]: John Wiley & Sons, 1990.

Cita MLA (9a ed.)

European Congress of Psychology, et al. European Perspectives in Psychology. John Wiley & Sons, 1990.