Cita APA (7a ed.)
Schneider, K. J., May, R., & Zimbardo, P. G. The Psychology of Existence: An Integrative, Clinical Perspective. McGraw-Hill.
Cita estilo Chicago (17a ed.)
Schneider, Kirk J., Rollo May, y Philip G. Zimbardo. The Psychology of Existence: An Integrative, Clinical Perspective. Nueva York, EUA: McGraw-Hill.
Cita MLA (9a ed.)
Schneider, Kirk J., et al. The Psychology of Existence: An Integrative, Clinical Perspective. McGraw-Hill.
Precaución: Estas citas no son 100% exactas.