APA (7th ed.) Citation

Haerens, M. (2011). Air pollution. Greenhaven Press/Gale Cengage Learning.

Chicago Style (17th ed.) Citation

Haerens, Margaret. Air Pollution. Detroit: Greenhaven Press/Gale Cengage Learning, 2011.

MLA (9th ed.) Citation

Haerens, Margaret. Air Pollution. Greenhaven Press/Gale Cengage Learning, 2011.

Warning: These citations may not always be 100% accurate.