MLA

Chirila, Elisabeta, and Lubomir Simeonov. Chemicals As Intentional and Accidental Global Environmental Threats. Springer Netherlands, 2006.

APA

Chirila, E., & Simeonov, L. (2006). Chemicals as Intentional and Accidental Global Environmental Threats. Springer Netherlands.

Chicago

Chirila, Elisabeta, and Lubomir Simeonov. Chemicals As Intentional and Accidental Global Environmental Threats. : Springer Netherlands, 2006.