APA (7th ed.) Citation

Liu, D., Liu, D. H. F., & Liptak, B. G. (2000). Air pollution. Lewis.

Chicago Style (17th ed.) Citation

Liu, David, David H. F. Liu, and Bela G. Liptak. Air Pollution. Boca Raton, Florida: Lewis, 2000.

MLA (9th ed.) Citation

Liu, David, et al. Air Pollution. Lewis, 2000.