Space Capitalism
  MLA
  Nelson, Peter Lothian, and Walter E Block. Space Capitalism. Springer International Publishing, 2018.
  APA
  Nelson, P. Lothian, & Block, W. E. (2018). Space Capitalism. Springer International Publishing.
  Chicago
  Nelson, Peter Lothian, and Walter E Block. Space Capitalism. : Springer International Publishing, 2018.