APA (7th ed.) Citation

Huxley, A. (1970). Perennial Philosophy. Harper Collins Publishers.

Chicago Style (17th ed.) Citation

Huxley, Aldous. Perennial Philosophy. New York, Cambridge...: Harper Collins Publishers, 1970.

MLA (9th ed.) Citation

Huxley, Aldous. Perennial Philosophy. Harper Collins Publishers, 1970.

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