Cita APA (7a ed.)

National Academy of Sciences (U.S.), National Academy of Engineering, Institute of Medicine (U.S.), & National Research Council (U.S.). (2001). The National Academies in focus. National Academies.

Cita Chicago Style (17a ed.)

National Academy of Sciences (U.S.), National Academy of Engineering, Institute of Medicine (U.S.), y National Research Council (U.S.). The National Academies in Focus. Washington, D.C.: National Academies, 2001.

Cita MLA (9a ed.)

National Academy of Sciences (U.S.), et al. The National Academies in Focus. National Academies, 2001.