APA (7th ed.) Citation

LeChevallier Mark W., Keung Au. Kwok, & World Health Organization. Water treatment and pathogen control , process efficiency in achieving safe drinking water.

Chicago Style (17th ed.) Citation

LeChevallier Mark W., Keung Au. Kwok, and World Health Organization. Water Treatment and Pathogen Control , Process Efficiency in Achieving Safe Drinking Water.

MLA (9th ed.) Citation

LeChevallier Mark W., et al. Water Treatment and Pathogen Control , Process Efficiency in Achieving Safe Drinking Water.