APA

Massachusetts Institute of Technology, . (19). A systems design for a prototype space colony. [Cambridge, Mass.]: .

Chicago

Massachusetts Institute of Technology, . 19. A systems design for a prototype space colony. [Cambridge, Mass.]: .

Harvard

Massachusetts Institute of Technology, . (19). A systems design for a prototype space colony. [Cambridge, Mass.]: .

MLA

Massachusetts Institute of Technology, . A systems design for a prototype space colony. [Cambridge, Mass.]: . 19.