Cita APA (7a ed.)

May, R., Angel, E., & Ellenberger, H. F. (1958). Existence: A new dimension in psychiatry and psychology. Touchstone.

Cita Chicago Style (17a ed.)

May, Rollo, Ernest Angel, y Henri F. Ellenberger. Existence: A New Dimension in Psychiatry and Psychology. Nueva York: Touchstone, 1958.

Cita MLA (8a ed.)

May, Rollo, et al. Existence: A New Dimension in Psychiatry and Psychology. Touchstone, 1958.