Citação norma APA

The United Nations. (2009). The United Nations today. United Nations Department of Public Information.

Citação norma Chicago

The United Nations. The United Nations Today. New York: United Nations Department of Public Information, 2009.

Citação norma MLA

The United Nations. The United Nations Today. United Nations Department of Public Information, 2009.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.