Hardin, G. J. (1964). Population, evolution & birth control: A collage of controversial readings. W.H. Freeman.
芝加哥风格引文Hardin, Garrett James. Population, Evolution & Birth Control: A Collage of Controversial Readings. San Francisco: W.H. Freeman, 1964.
MLA引文Hardin, Garrett James. Population, Evolution & Birth Control: A Collage of Controversial Readings. W.H. Freeman, 1964.
警告：这些引文格式不一定是100％准确.