Hugnes, W. F. (1981). The year book ophthalmology. Year Book Medical.
芝加哥风格引文Hugnes, William F. The Year Book Ophthalmology. Year Book Medical, 1981.
MLA引文Hugnes, William F. The Year Book Ophthalmology. Year Book Medical, 1981.
警告：这些引文格式不一定是100％准确.