APA (7th ed.) Citation

United States. National Aeronautics and Space Administration. (2015). NASA's journey to Mars: Pioneering next steps in space exploration. National Aeronautics and Space Administration.

Chicago Style (17th ed.) Citation

United States. National Aeronautics and Space Administration. NASA's Journey to Mars: Pioneering Next Steps in Space Exploration. Washington, DC: National Aeronautics and Space Administration, 2015.

MLA (8th ed.) Citation

United States. National Aeronautics and Space Administration. NASA's Journey to Mars: Pioneering Next Steps in Space Exploration. National Aeronautics and Space Administration, 2015.