Walters, M. J. (2004). Seven modern plagues and how we are causing them (Paperback edition.). Island Press.
芝加哥风格引文Walters, Mark Jerome. Seven Modern Plagues and How We Are Causing Them. Paperback edition. Washington, District of Columbia: Island Press, 2004.
MLA引文Walters, Mark Jerome. Seven Modern Plagues and How We Are Causing Them. Paperback edition. Island Press, 2004.
警告：这些引文格式不一定是100％准确.