APA (7th ed.) Citation

United States. National Aeronautics and Space Administration. (1976). The Viking mission: Mission to land on Mars. U.S. National Aeronautics and Space Administration.

Chicago Style (17th ed.) Citation

United States. National Aeronautics and Space Administration. The Viking Mission: Mission to Land on Mars. Washington: U.S. National Aeronautics and Space Administration, 1976.

MLA (9th ed.) Citation

United States. National Aeronautics and Space Administration. The Viking Mission: Mission to Land on Mars. U.S. National Aeronautics and Space Administration, 1976.