APA (7th ed.) Citation

Spahl, T. J., & Witzig, J. W. (1989). The clinical management of basic maxillofacial orthopedic appliances. PSG Publ. Co.

Chicago Style (17th ed.) Citation

Spahl, Terrance J., and John W. Witzig. The Clinical Management of Basic Maxillofacial Orthopedic Appliances. Littleton, Mass: PSG Publ. Co, 1989.

MLA (9th ed.) Citation

Spahl, Terrance J., and John W. Witzig. The Clinical Management of Basic Maxillofacial Orthopedic Appliances. PSG Publ. Co, 1989.