Style de citation APA

World Health Organization. Geneva. (1997). Nitrogen Oxides (2nd ed.). WHO.

Style de citation Chicago

World Health Organization. Geneva. Nitrogen Oxides. 2nd ed. Geneva: WHO, 1997.

Style de citation MLA

World Health Organization. Geneva. Nitrogen Oxides. 2nd ed. WHO, 1997.

Attention : ces citations peuvent ne pas être correctes à 100%.