APA (7th ed.) Citation

United States. National Aeronautics and Space Administration. (1977). America on Mars: Viking explore Red Planet [poster]. National Aeronautics and Space Administration.

Chicago Style (17th ed.) Citation

United States. National Aeronautics and Space Administration. America on Mars: Viking Explore Red Planet [poster]. Washington: National Aeronautics and Space Administration, 1977.

MLA (9th ed.) Citation

United States. National Aeronautics and Space Administration. America on Mars: Viking Explore Red Planet [poster]. National Aeronautics and Space Administration, 1977.