Cita APA (7th ed.)

Ladd, M. F. C. (1989). Symmetry in molecules and crystals. Ellis Horwood.

Cita Chicago (17th ed.)

Ladd, M. F. C. Symmetry in Molecules and Crystals. Chichester, West Sussex, England: Ellis Horwood, 1989.

Cita MLA (9th ed.)

Ladd, M. F. C. Symmetry in Molecules and Crystals. Ellis Horwood, 1989.