Cita APA (7th ed.)
National Academy of Sciences (U.S.) & ebrary, Inc. (1989). Biographical memoirs. National Academy Press.
Cita Chicago (17th ed.)
National Academy of Sciences (U.S.) i Inc ebrary. Biographical Memoirs. Washington, D.C.: National Academy Press, 1989.
Cita MLA (9th ed.)
National Academy of Sciences (U.S.) i Inc ebrary. Biographical Memoirs. National Academy Press, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.