APA (7th ed.) Citation

Alling, C. C., Helfrick, J. F., & Alling, R. D. (1993). Impacted teeth. Saunders.

Chicago Style (17th ed.) Citation

Alling, Charles C., John F. Helfrick, and Rocklin D. Alling. Impacted Teeth. Philadelphia: Saunders, 1993.

MLA (9th ed.) Citation

Alling, Charles C., et al. Impacted Teeth. Saunders, 1993.