Cita APA (7a ed.)

HUXLEY, A. (1945). The perennial Philosophy. Harper & Brothers.

Cita Chicago Style (17a ed.)

HUXLEY, Aldous. The Perennial Philosophy. New York-London: Harper & Brothers, 1945.

Cita MLA (9a ed.)

HUXLEY, Aldous. The Perennial Philosophy. Harper & Brothers, 1945.