Twenty Years of Ozone Decline

MLA

Contopoulos, George, et al. Twenty Years of Ozone Decline. Springer Netherlands, 2009.

APA

Contopoulos, G.Contopoulos, G., Skalkeas, G., Zerefos, C. SContopoulos, G. (2009). Twenty Years of Ozone Decline. Springer Netherlands.

Chicago

Contopoulos, George, Georgios Contopoulos, Gregory Skalkeas, Christos S Zerefos, and G Contopoulos. Twenty Years of Ozone Decline. : Springer Netherlands, 2009.