APA (7th ed.) Citation

Programme, U. N. E., & DEWA. (2016). UNEP Year Book 2013: Emerging issues in our global environment. UNEP.

Chicago Style (17th ed.) Citation

Programme, United Nations Environment, and DEWA. UNEP Year Book 2013: Emerging Issues in Our Global Environment. UNEP, 2016.

MLA (9th ed.) Citation

Programme, United Nations Environment, and DEWA. UNEP Year Book 2013: Emerging Issues in Our Global Environment. UNEP, 2016.

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