Killingsworth, M. J., & Palmer, J. S. (2012). Ecospeak: Rhetoric and environmental politics in America (Pbk. ed.). Southern Illinois University Press.
芝加哥风格引文Killingsworth, M. Jimmie, 与 Jacqueline S. Palmer. Ecospeak: Rhetoric and Environmental Politics in America. Pbk. ed. Carbondale: Southern Illinois University Press, 2012.
MLA引文Killingsworth, M. Jimmie, 与 Jacqueline S. Palmer. Ecospeak: Rhetoric and Environmental Politics in America. Pbk. ed. Southern Illinois University Press, 2012.
警告：这些引文格式不一定是100％准确.