APA (7th ed.) Citation

Ball, C., & Ball, M. (1991). Water supplies for rural communities / Colin and Mog Ball. IT Publications.

Chicago Style (17th ed.) Citation

Ball, Colin, and Mog Ball. Water Supplies for Rural Communities / Colin and Mog Ball. London: IT Publications, 1991.

MLA (9th ed.) Citation

Ball, Colin, and Mog Ball. Water Supplies for Rural Communities / Colin and Mog Ball. IT Publications, 1991.

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