Cita APA (7a ed.)

United Nations Environment Programme (UNEP) & Environment and Economics Unit (EEU). (1995). Environment and economics programme. UNEP.

Cita Chicago Style (17a ed.)

United Nations Environment Programme (UNEP) y Environment and Economics Unit (EEU). Environment and Economics Programme. [Paris, France]: UNEP, 1995.

Cita MLA (9a ed.)

United Nations Environment Programme (UNEP) y Environment and Economics Unit (EEU). Environment and Economics Programme. UNEP, 1995.