APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Huntley, H. E. The Divine Proportion: A Study in Mathematical Beauty. Nueva York: Dover Publications, 1970.

MLA (9th ed.) Citation

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