APA (7th ed.) Citation

Tivy, J., & O'Hare, G. (1981). Human impact on the ecosystem / Joy Tivy, Greg O'Hare ; maps and diagrams drawn by Ann Rooke and Andy Skinner. Oliver & Boyd.

Chicago Style (17th ed.) Citation

Tivy, Joy, and Greg O'Hare. Human Impact on the Ecosystem / Joy Tivy, Greg O'Hare ; Maps and Diagrams Drawn by Ann Rooke and Andy Skinner. Edinburgh: Oliver & Boyd, 1981.

MLA (9th ed.) Citation

Tivy, Joy, and Greg O'Hare. Human Impact on the Ecosystem / Joy Tivy, Greg O'Hare ; Maps and Diagrams Drawn by Ann Rooke and Andy Skinner. Oliver & Boyd, 1981.

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