Guthke, K. S., & Atkins, H. (1990). The last frontier: Imagining other worlds, from the Copernican revolution to modern science fiction. Cornell Univ. Press.
芝加哥风格引文Guthke, Karl Siegfried, 与 Helen Atkins. The Last Frontier: Imagining Other Worlds, from the Copernican Revolution to Modern Science Fiction. Ithaca, NY [u.a.]: Cornell Univ. Press, 1990.
MLA引文Guthke, Karl Siegfried, 与 Helen Atkins. The Last Frontier: Imagining Other Worlds, from the Copernican Revolution to Modern Science Fiction. Cornell Univ. Press, 1990.
警告：这些引文格式不一定是100％准确.