APA (7th ed.) Citation

Hart, G. (1992). Preservation of the earth and it's environment. Georgist Education Association.

Chicago Style (17th ed.) Citation

Hart, Graham. Preservation of the Earth and It's Environment. South Perth, W.A.: Georgist Education Association, 1992.

MLA (9th ed.) Citation

Hart, Graham. Preservation of the Earth and It's Environment. Georgist Education Association, 1992.

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