APA (7th ed.) Citation

Geological Survey (U.S.), Jet Propulsion Laboratory (U.S.), & United States. National Aeronautics and Space Administration. (1977). Shaded relief map of the Tritonis Lacus region of Mars (Viking A2 landing site). The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Jet Propulsion Laboratory (U.S.), and United States. National Aeronautics and Space Administration. Shaded Relief Map of the Tritonis Lacus Region of Mars (Viking A2 Landing Site). Reston, Va.: The Survey, 1977.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Shaded Relief Map of the Tritonis Lacus Region of Mars (Viking A2 Landing Site). The Survey, 1977.