The Twenty-First Century Commercial Space Imperative
  MLA
  Young, Anthony. The Twenty-first Century Commercial Space Imperative. Springer International Publishing, 2015.
  APA
  Young, A. (2015). The Twenty-First Century Commercial Space Imperative. Springer International Publishing.
  Chicago
  Young, Anthony The Twenty-First Century Commercial Space Imperative. : Springer International Publishing, 2015.