Citação APA (7ª ed.)
World Health Organization & ebrary, Inc. (2006). Air quality guidelines: Global update 2005 : particulate matter, ozone, nitrogen dioxide, and sulfur dioxide. World Health Organization.
Citação do estilo Chicago (17ª ed.)
World Health Organization e Inc ebrary. Air Quality Guidelines: Global Update 2005 : Particulate Matter, Ozone, Nitrogen Dioxide, and Sulfur Dioxide. Copenhagen, Denmark: World Health Organization, 2006.
Citação MLA (9ª ed.)
World Health Organization e Inc ebrary. Air Quality Guidelines: Global Update 2005 : Particulate Matter, Ozone, Nitrogen Dioxide, and Sulfur Dioxide. World Health Organization, 2006.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.