Dubbs, C., & Paat-Dahlstrom, E. (2011). Realizing tomorrow: The path to private spaceflight. University of Nebraska Press.
芝加哥风格引文Dubbs, Chris, 与 Emeline Paat-Dahlstrom. Realizing Tomorrow: The Path to Private Spaceflight. Lincoln: University of Nebraska Press, 2011.
MLA引文Dubbs, Chris, 与 Emeline Paat-Dahlstrom. Realizing Tomorrow: The Path to Private Spaceflight. University of Nebraska Press, 2011.
警告：这些引文格式不一定是100％准确.