APA (7th ed.) Citation

Houston, W. J. B., Stephens, C. D., & Tulley, W. J. (1992). A textbook of orthodontics (2nd ed.). Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Houston, W. J. B., C. D. Stephens, and W. J. Tulley. A Textbook of Orthodontics. 2nd ed. Oxford ; Boston: Butterworth-Heinemann, 1992.

MLA (9th ed.) Citation

Houston, W. J. B., et al. A Textbook of Orthodontics. 2nd ed. Butterworth-Heinemann, 1992.