APA (7th ed.) Citation

United States. National Aeronautics and Space Administration. (1991). Crew of space shuttle mission STS-39. National Aeronautics and Space Administration.

Chicago Style (17th ed.) Citation

United States. National Aeronautics and Space Administration. Crew of Space Shuttle Mission STS-39. [Washington D.C.?]: National Aeronautics and Space Administration, 1991.

MLA (9th ed.) Citation

United States. National Aeronautics and Space Administration. Crew of Space Shuttle Mission STS-39. National Aeronautics and Space Administration, 1991.