American Association for the Advancement of Science. (2008). Science magazine's state of the planet. Island Press.
芝加哥风格引文American Association for the Advancement of Science. Science Magazine's State of the Planet. Washington, D.C.: Island Press, 2008.
MLA引文American Association for the Advancement of Science. Science Magazine's State of the Planet. Island Press, 2008.
警告：这些引文格式不一定是100％准确.