Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Hargittai, Istv�an. Symmetry 2: Unifying Human Understanding. Oxford ; New York: Pergamon Press, 1989.

Cita MLA (8a ed.)

Hargittai, Istv�an. Symmetry 2: Unifying Human Understanding. Pergamon Press, 1989.