Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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