Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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