Flippen, J. B. (2006). Conservative conservationist: Russell E. Train and the emergence of American environmentalism. Louisiana State University Press.
芝加哥风格引文Flippen, J. Brooks. Conservative Conservationist: Russell E. Train and the Emergence of American Environmentalism. Baton Rouge: Louisiana State University Press, 2006.
MLA引文Flippen, J. Brooks. Conservative Conservationist: Russell E. Train and the Emergence of American Environmentalism. Louisiana State University Press, 2006.
警告：这些引文格式不一定是100％准确.