Alling, C. C., Helfrick, J. F., & Alling, R. D. (1993). Impacted teeth. Saunders.
芝加哥风格引文Alling, Charles C., John F. Helfrick, 与 Rocklin D. Alling. Impacted Teeth. Philadelphia: Saunders, 1993.
MLA引文Alling, Charles C., et al. Impacted Teeth. Saunders, 1993.
警告：这些引文格式不一定是100％准确.