APA (7th ed.) Citation

(1989). Symmetry 2: Unifying human understanding. Pergamon Press.

Chicago Style (17th ed.) Citation

Symmetry 2: Unifying Human Understanding. Oxford: Pergamon Press, 1989.

MLA (9th ed.) Citation

Symmetry 2: Unifying Human Understanding. Pergamon Press, 1989.

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