Cita APA (7th ed.)
National Research Council (U.S.). Committee on Chemical Toxicity and Aging, ebrary, Inc, Butler, R. N., & Pfitzer, E. A. (1987). Aging in today's environment. National Academy Press.
Cita Chicago (17th ed.)
National Research Council (U.S.). Committee on Chemical Toxicity and Aging, Inc ebrary, Robert N. Butler, i Emil A. Pfitzer. Aging in Today's Environment. Washington, D.C.: National Academy Press, 1987.
Cita MLA (9th ed.)
National Research Council (U.S.). Committee on Chemical Toxicity and Aging, et al. Aging in Today's Environment. National Academy Press, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.