APA

Chang C. A., Fields H. W., Beck F. M., Springer N. C., Firestone A. R., Rosenstiel S. & Christensen J. C. (20111207). Smile esthetics from patients' perspectives for faces of varying attractiveness. : 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

Chang Chan A, Fields Henry W, Beck Frank Michael, Springer Nathan C, Firestone Allen R, Rosenstiel Stephen and Christensen James C. 20111207. Smile esthetics from patients' perspectives for faces of varying attractiveness. : 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

Chang C. A., Fields H. W., Beck F. M., Springer N. C., Firestone A. R., Rosenstiel S. and Christensen J. C. (20111207). Smile esthetics from patients' perspectives for faces of varying attractiveness. : 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

Chang Chan A, Fields Henry W, Beck Frank Michael, Springer Nathan C, Firestone Allen R, Rosenstiel Stephen and Christensen James C. Smile esthetics from patients' perspectives for faces of varying attractiveness. : American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics. 20111207.