Cita APA (7th ed.)

Assembly of Mathematical and Physical Sciences (U.S.). Astronomy Survey Committee. (1982). Astronomy and astrophysics for the 1980's. National Academy Press.

Cita Chicago (17th ed.)

Assembly of Mathematical and Physical Sciences (U.S.). Astronomy Survey Committee. Astronomy and Astrophysics for the 1980's. Washington, D.C.: National Academy Press, 1982.

Cita MLA (9th ed.)

Assembly of Mathematical and Physical Sciences (U.S.). Astronomy Survey Committee. Astronomy and Astrophysics for the 1980's. National Academy Press, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.