Citazione Stile APA (7a Edizione)

Porter, G., Brown, J. W., & Chasek, P. S. (2000). Global environmental politics (3rd ed.). Westview Press.

Citazione stile Chigago Style (17a edizione)

Porter, Gareth, Janet Welsh Brown, e Pamela S. Chasek. Global Environmental Politics. 3rd ed. Boulder, Colo: Westview Press, 2000.

Citatione MLA (9a ed.)

Porter, Gareth, et al. Global Environmental Politics. 3rd ed. Westview Press, 2000.