APA (7th ed.) Citation

(1987). Mars by Viking 2: Viking mission highlights. National Aeronautics and Space Administration.

Chicago Style (17th ed.) Citation

Mars by Viking 2: Viking Mission Highlights. [Washington, DC]: National Aeronautics and Space Administration, 1987.

MLA (9th ed.) Citation

Mars by Viking 2: Viking Mission Highlights. National Aeronautics and Space Administration, 1987.

Warning: These citations may not always be 100% accurate.