APA (7th ed.) Citation

UN. (2008). UNEP year book 2008: An overview of our changing environment. UNEP.

Chicago Style (17th ed.) Citation

UN. UNEP Year Book 2008: An Overview of Our Changing Environment. Nairobi: UNEP, 2008.

MLA (8th ed.) Citation

UN. UNEP Year Book 2008: An Overview of Our Changing Environment. UNEP, 2008.

Warning: These citations may not always be 100% accurate.