Cita APA (7th ed.)
Killingsworth, M. J., & Palmer, J. S. (2012). Ecospeak: Rhetoric and environmental politics in America (Pbk. ed.). Southern Illinois University Press.
Cita Chicago (17th ed.)
Killingsworth, M. Jimmie, i Jacqueline S. Palmer. Ecospeak: Rhetoric and Environmental Politics in America. Pbk. ed. Carbondale: Southern Illinois University Press, 2012.
Cita MLA (9th ed.)
Killingsworth, M. Jimmie, i Jacqueline S. Palmer. Ecospeak: Rhetoric and Environmental Politics in America. Pbk. ed. Southern Illinois University Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.