APA Edition Citation

Andersen, S. O., & Sarma, M. K. (2002). Protecting the Ozone layer, The United Nations History.

Chicago Edition Citation

Andersen, Stephen O., and Madhava K. Sarma. Protecting the Ozone Layer, The United Nations History. UK, UNEP, 2002.

MLA Edition Citation

Andersen, Stephen O., and Madhava K. Sarma. Protecting the Ozone Layer, The United Nations History. 2002.

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