Dyfyniad APA
Otto, E. C. (2012). Green Speculations: Science Fiction and Transformative Environmentalism. Ohio State University Press.
Dyfyniad Arddull Chicago
Otto, Eric C. Green Speculations: Science Fiction and Transformative Environmentalism. Columbus: Ohio State University Press, 2012.
Dyfyniad MLA
Otto, Eric C. Green Speculations: Science Fiction and Transformative Environmentalism. Ohio State University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.