Cita APA (7th ed.)
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. https://doi.org/10.1007/978-90-481-2469-5
Cita Chicago (17th ed.)
Zerefos, Christos, Georgios Contopoulos, i Gregory Skalkeas. Twenty Years of Ozone Decline: Proceedings of the Symposium for the 20th Anniversary of the Montreal Protocol. Dordrecht: Springer Netherlands, 2009. https://doi.org/10.1007/978-90-481-2469-5.
Cita MLA (9th ed.)
Zerefos, Christos, et al. Twenty Years of Ozone Decline: Proceedings of the Symposium for the 20th Anniversary of the Montreal Protocol. Springer Netherlands, 2009. https://doi.org/10.1007/978-90-481-2469-5.
Atenció: Aquestes cites poden no estar 100% correctes.