APA (7th ed.) Citation

Huxley, A. L. (1945). The perennial philosophy. Harper and Brothers.

Chicago Style (17th ed.) Citation

Huxley, Aldous Leonard. The Perennial Philosophy. Nueva York: Harper and Brothers, 1945.

MLA (9th ed.) Citation

Huxley, Aldous Leonard. The Perennial Philosophy. Harper and Brothers, 1945.