SpringerLink (Online service), Zerefos, C., Contopoulos, G., & Skalkeas, G. (2009). Twenty Years of Ozone Decline: Proceedings of the Symposium for the 20th Anniversary of the Montreal Protocol. Springer Netherlands.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Christos Zerefos, Georgios Contopoulos, and Gregory Skalkeas. Twenty Years of Ozone Decline: Proceedings of the Symposium for the 20th Anniversary of the Montreal Protocol. Dordrecht: Springer Netherlands, 2009.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Twenty Years of Ozone Decline: Proceedings of the Symposium for the 20th Anniversary of the Montreal Protocol. Springer Netherlands, 2009.
Warning: These citations may not always be 100% accurate.