APA (7th ed.) Citation

Elsom, D. M. (1992). Atmospheric pollution: A global problem (2nd ed.). Blackwell.

Chicago Style (17th ed.) Citation

Elsom, Derek M. Atmospheric Pollution: A Global Problem. 2nd ed. Oxford: Blackwell, 1992.

MLA (9th ed.) Citation

Elsom, Derek M. Atmospheric Pollution: A Global Problem. 2nd ed. Blackwell, 1992.