APA Format
Jordan, Thomas D., Jr. . (1980). A handbook of gravity-flow water systems for small communities. London : UNICEF
MLA Format
Jordan, Thomas D., Jr. . A handbook of gravity-flow water systems for small communities. London : UNICEF, 1980
Australian/Harvard Format
Jordan, Thomas D., Jr. . 1980. A handbook of gravity-flow water systems for small communities. UNICEF, London
Warning: These citations may not always be 100% accurate.