Nebel, B. J. (1990). Environmental science: The way the world works (3rd.ed.). Prentice Hall.
芝加哥风格引文Nebel, Bernard J. Environmental Science: The Way the World Works. 3rd.ed. New Jersey: Prentice Hall, 1990.
MLA引文Nebel, Bernard J. Environmental Science: The Way the World Works. 3rd.ed. Prentice Hall, 1990.
警告：这些引文格式不一定是100％准确.