Cita APA (7a ed.)
National Research Council (U.S.). Committee on Environmental Epidemiology & ebrary, Inc. (1997). Use of gray literature and other data in environmental epidemiology. National Academy of Sciences.
Cita Chicago Style (17a ed.)
National Research Council (U.S.). Committee on Environmental Epidemiology y Inc ebrary. Use of Gray Literature and Other Data in Environmental Epidemiology. Washington, D.C.: National Academy of Sciences, 1997.
Cita MLA (9a ed.)
National Research Council (U.S.). Committee on Environmental Epidemiology y Inc ebrary. Use of Gray Literature and Other Data in Environmental Epidemiology. National Academy of Sciences, 1997.
Precaución: Estas citas no son 100% exactas.