APA (7th ed.) Citation

Ray, C., & Jain, R. (2014). Low cost emergency water purification technologies / Chittaranjan Ray, Ravi Jain. Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Ray, Chittaranjan, and Ravi Jain. Low Cost Emergency Water Purification Technologies / Chittaranjan Ray, Ravi Jain. Waltham, Massachusetts: Butterworth-Heinemann, 2014.

MLA (9th ed.) Citation

Ray, Chittaranjan, and Ravi Jain. Low Cost Emergency Water Purification Technologies / Chittaranjan Ray, Ravi Jain. Butterworth-Heinemann, 2014.

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