Access to space :
the future of U.S. space transportation systems.
APA Citation
United States. Congress. Office of Technology Assessment. (1990). Access to space: the future of U.S. space transportation systems. Washington, DC: Congress of the U.S., Office of Technology Assessment .
MLA Citation
United States. Congress. Office of Technology Assessment. Access to Space: the Future of U.S. Space Transportation Systems. Washington, DC: Congress of the U.S., Office of Technology Assessment , 1990.
Warning: These citations may not always be complete (especially for serials).