APA (7th ed.) Citation

Steinfeld, H., & Gerber, P. (2010). Livestock production and the global environment: Consume less or produce better? Proceedings of the National Academy of Sciences - PNAS, 107(43), 18237-18238. https://doi.org/10.1073/pnas.1012541107

Chicago Style (17th ed.) Citation

Steinfeld, Henning, and Pierre Gerber. "Livestock Production and the Global Environment: Consume Less or Produce Better?" Proceedings of the National Academy of Sciences - PNAS 107, no. 43 (2010): 18237-18238. https://doi.org/10.1073/pnas.1012541107.

MLA (9th ed.) Citation

Steinfeld, Henning, and Pierre Gerber. "Livestock Production and the Global Environment: Consume Less or Produce Better?" Proceedings of the National Academy of Sciences - PNAS, vol. 107, no. 43, 2010, pp. 18237-18238, https://doi.org/10.1073/pnas.1012541107.