Citazione Stile APA (7a Edizione)

Duffy, B. K., & Besel, R. D. (2016). Green Voices: Defending Nature and the Environment in American Civic Discourse. State University of New York Press.

Citazione stile Chigago Style (17a edizione)

Duffy, Bernard K., e Richard D. Besel. Green Voices: Defending Nature and the Environment in American Civic Discourse. Albany, NY: State University of New York Press, 2016.

Citatione MLA (9a ed.)

Duffy, Bernard K., e Richard D. Besel. Green Voices: Defending Nature and the Environment in American Civic Discourse. State University of New York Press, 2016.