Nyren, K., & Moon, E. (1970). Library issues: The sixties. R. R. Bowker Co..
芝加哥风格引文Nyren, Karl, 与 Eric Moon. Library Issues: The Sixties. New York: R. R. Bowker Co., 1970.
MLA引文Nyren, Karl, 与 Eric Moon. Library Issues: The Sixties. R. R. Bowker Co., 1970.
警告:这些引文格式不一定是100%准确.