Cita APA (7th ed.)
National Research Council (U.S.). Committee on Planetary and Lunar Exploration & ebrary, Inc. (1999). A science strategy for the exploration of Europa. National Academy Press.
Cita Chicago (17th ed.)
National Research Council (U.S.). Committee on Planetary and Lunar Exploration i Inc ebrary. A Science Strategy for the Exploration of Europa. Washington, D.C.: National Academy Press, 1999.
Cita MLA (9th ed.)
National Research Council (U.S.). Committee on Planetary and Lunar Exploration i Inc ebrary. A Science Strategy for the Exploration of Europa. National Academy Press, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.