Citazione Stile APA (7a Edizione)

Houston, W. J. B., & Tulley, W. J. (1986). A textbook of orthodontics. Wright.

Citazione stile Chigago Style (17a edizione)

Houston, W. J. B., e W. J. Tulley. A Textbook of Orthodontics. Bristol: Wright, 1986.

Citatione MLA (9a ed.)

Houston, W. J. B., e W. J. Tulley. A Textbook of Orthodontics. Wright, 1986.