Citação norma APA

The United Nations University. (1993). The Role of the United Nations in the Twenty-First Century. The United Nations University.

Citação norma Chicago

The United Nations University. The Role of the United Nations in the Twenty-First Century. Japan: The United Nations University, 1993.

Citação norma MLA

The United Nations University. The Role of the United Nations in the Twenty-First Century. The United Nations University, 1993.

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