APA (7th ed.) Citation

Huntley, H. E., & Huntley, H. E. (1970). The divine proportion: A study in mathematical beauty. Dover Publ.

Chicago Style (17th ed.) Citation

Huntley, Herbert E., and H. E. Huntley. The Divine Proportion: A Study in Mathematical Beauty. New York: Dover Publ, 1970.

MLA (8th ed.) Citation

Huntley, Herbert E., and H. E. Huntley. The Divine Proportion: A Study in Mathematical Beauty. Dover Publ, 1970.

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