Cita APA (7th ed.)
National Research Council (U.S.). Astronomy and Astrophysics Survey Committee & ebrary, Inc. (1991). The decade of discovery in astronomy and astrophysics. National Academy Press.
Cita Chicago (17th ed.)
National Research Council (U.S.). Astronomy and Astrophysics Survey Committee i Inc ebrary. The Decade of Discovery in Astronomy and Astrophysics. Washington, D.C.: National Academy Press, 1991.
Cita MLA (9th ed.)
National Research Council (U.S.). Astronomy and Astrophysics Survey Committee i Inc ebrary. The Decade of Discovery in Astronomy and Astrophysics. National Academy Press, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.