MLA

Ray, Chittaranjan, and Ravi Jain. Low Cost Emergency Water Purification Technologies : Integrated Water Security Series. Butterworth-Heinemann, 2014.

APA

Ray, C., & Jain, R. (2014). Low cost emergency water purification technologies : integrated water security series. Butterworth-Heinemann.

Chicago

Ray, Chittaranjan, and Ravi Jain. Low Cost Emergency Water Purification Technologies : Integrated Water Security Series. : Butterworth-Heinemann, 2014.