Cita APA (7a ed.)

Killingsworth, M. J., & Palmer, J. S. (2012). Ecospeak: Rhetoric and Environmental Politics in America (Pbk. ed.). Southern Illinois University Press.

Cita Chicago Style (17a ed.)

Killingsworth, M. Jimmie, y Jacqueline S. Palmer. Ecospeak: Rhetoric and Environmental Politics in America. Pbk. ed. Carbondale: Southern Illinois University Press, 2012.

Cita MLA (8a ed.)

Killingsworth, M. Jimmie, y Jacqueline S. Palmer. Ecospeak: Rhetoric and Environmental Politics in America. Pbk. ed. Southern Illinois University Press, 2012.