APA

Braun S., Bluestein M., Moore B. K. & Benson G. (19990701). Friction in perspective. : American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics.

Chicago

Braun S, Bluestein M, Moore B K and Benson G. 19990701. Friction in perspective. : American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics.

Harvard

Braun S., Bluestein M., Moore B. K. and Benson G. (19990701). Friction in perspective. : American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics.

MLA

Braun S, Bluestein M, Moore B K and Benson G. Friction in perspective. : American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics. 19990701.