APA (7th ed.) Zitazioa

Otto, E. C. (2012). Green Speculations: Science Fiction and Transformative Environmentalism. Ohio State University Press.

Chicago Style (17th ed.) Zitazioa

Otto, Eric C. Green Speculations: Science Fiction and Transformative Environmentalism. Columbus: Ohio State University Press, 2012.

MLA (9th ed.) Zitazioa

Otto, Eric C. Green Speculations: Science Fiction and Transformative Environmentalism. Ohio State University Press, 2012.