APA (7th ed.) Citation

May, R., Allport, G. W., Feifel, H., Maslow, A., & Rogers, C. (1963). Psicología existencial (1a ed.). Paidós.

Chicago Style (17th ed.) Citation

May, Rollo, Gordon Willard Allport, H. Feifel, A. Maslow, and C. Rogers. Psicología Existencial. 1a ed. Buenos Aires: Paidós, 1963.

MLA (9th ed.) Citation

May, Rollo, et al. Psicología Existencial. 1a ed. Paidós, 1963.

Warning: These citations may not always be 100% accurate.