NASA, mission, the universe.

APA Citation

United States. National Aeronautics and Space Administration. (1993). NASA, mission, the universe. [Greenbelt, Md.?]: National Aeronautics and Space Administration.

MLA Citation

United States. National Aeronautics and Space Administration. NASA, Mission, the Universe. [Greenbelt, Md.?]: National Aeronautics and Space Administration, 1993.

Warning: These citations may not always be complete (especially for serials).