Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Lietaer, G., Rombauts, J., & Van Balen, R. Client-centered and Experiential Psychotherapy in the Nineties.

Chicago Citation Edition Citation

Lietaer, G., J. Rombauts, und R. Van Balen. Client-centered and Experiential Psychotherapy in the Nineties.

MLA Citation Edition Citation

Lietaer, G., et al. Client-centered and Experiential Psychotherapy in the Nineties.