APA Style

Lloyd, Barry, Helmer, Richard. (1991). Surveillance of DRINKING WATER QUALITY IN RURAL AREAS . New York: Longman Scientific & Technical.

Chicago Style

Lloyd, Barry, Helmer, Richard. Surveillance of DRINKING WATER QUALITY IN RURAL AREAS. New York: Longman Scientific & Technical, 1991. Text.

MLA Style

Lloyd, Barry, Helmer, Richard. Surveillance of DRINKING WATER QUALITY IN RURAL AREAS. New York: Longman Scientific & Technical, 1991. Text.

Turabian Style

Lloyd, Barry, Helmer, Richard. Surveillance of DRINKING WATER QUALITY IN RURAL AREAS. New York: Longman Scientific & Technical, 1991. Print.