APA Edition Citation

Kennedy, W. K. . .., & Rogers, T. A. . .. (1985). Human and animal powered water-lifting devices: A state of the out survey. Intermediate technology publications.

Chicago Edition Citation

Kennedy, W K ., and T A. Rogers. Human and Animal Powered Water-lifting Devices: A State of the Out Survey. : Intermediate technology publications, 1985.

MLA Edition Citation

Kennedy, W K ., and T A. Rogers. Human and Animal Powered Water-lifting Devices: A State of the Out Survey. Intermediate technology publications, 1985.