APA

Aszkler R. M., Preston C. B., Saltaji H. & Tabbaa S. (20140408). Long-term occlusal changes assessed by the American Board of Orthodontics' model grading system. : 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

Aszkler Robert M, Preston Charles B, Saltaji Humam and Tabbaa Sawsan. 20140408. Long-term occlusal changes assessed by the American Board of Orthodontics' model grading system. : 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

Aszkler R. M., Preston C. B., Saltaji H. and Tabbaa S. (20140408). Long-term occlusal changes assessed by the American Board of Orthodontics' model grading system. : 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

Aszkler Robert M, Preston Charles B, Saltaji Humam and Tabbaa Sawsan. Long-term occlusal changes assessed by the American Board of Orthodontics' model grading system. : American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics. 20140408.