Cita APA (7a ed.)
EPA journal / United States Environmental Protection Agency, Office of Public Awareness [Epa J] NLMUID: 9426499.
Cita Chicago Style (17a ed.)
EPA Journal / United States Environmental Protection Agency, Office of Public Awareness [Epa J] NLMUID: 9426499.
Cita MLA (9a ed.)
EPA Journal / United States Environmental Protection Agency, Office of Public Awareness [Epa J] NLMUID: 9426499.
Precaución: Estas citas no son 100% exactas.