APA (7th ed.) Citation

Andersen, Sarma, & Sinclair. (2002). Protecting the ozone layer: The United Nations history. Earthscan Publications.

Chicago Style (17th ed.) Citation

Andersen, Sarma, and Sinclair. Protecting the Ozone Layer: The United Nations History. London: Earthscan Publications, 2002.

MLA (8th ed.) Citation

Andersen, et al. Protecting the Ozone Layer: The United Nations History. Earthscan Publications, 2002.