Freeman, J. T. (1963). Clinical principles and drugs in the aging. Thomas.
芝加哥风格引文Freeman, Joseph T. Clinical Principles and Drugs in the Aging. Springfield, IL: Thomas, 1963.
MLA引文Freeman, Joseph T. Clinical Principles and Drugs in the Aging. Thomas, 1963.
警告：这些引文格式不一定是100％准确.