Cita APA (7th ed.)

National Academy of Sciences (U.S.) & ebrary, Inc. (1999). Biographical memoirs. National Academy of Sciences.

Cita Chicago (17th ed.)

National Academy of Sciences (U.S.) i Inc ebrary. Biographical Memoirs. Washington: National Academy of Sciences, 1999.

Cita MLA (9th ed.)

National Academy of Sciences (U.S.) i Inc ebrary. Biographical Memoirs. National Academy of Sciences, 1999.