Cita APA (7th ed.)

National Academy of Sciences (U.S.) & ebrary, Inc. (1991). 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, 1991.

Cita MLA (9th ed.)

National Academy of Sciences (U.S.) i Inc ebrary. Biographical Memoirs. National Academy Press, 1991.