Cita APA (7a ed.)

United Nations Development Programme. (2000). World resources 2000-2001: People and ecosystems : the fraying web of life. Elsevier Science.

Cita Chicago Style (17a ed.)

United Nations Development Programme. World Resources 2000-2001: People and Ecosystems : The Fraying Web of Life. Amsterdam ; New York: Elsevier Science, 2000.

Cita MLA (8a ed.)

United Nations Development Programme. World Resources 2000-2001: People and Ecosystems : The Fraying Web of Life. Elsevier Science, 2000.