APA (7th ed.) Citation

Durning, A. B., & Brough, H. B. (1991). Taking stock: Animal farming and the environment. Worldwatch Institute.

Chicago Style (17th ed.) Citation

Durning, Alan B., and Holly B. Brough. Taking Stock: Animal Farming and the Environment. Washington, D.C: Worldwatch Institute, 1991.

MLA (9th ed.) Citation

Durning, Alan B., and Holly B. Brough. Taking Stock: Animal Farming and the Environment. Worldwatch Institute, 1991.