Cita APA (7th ed.)

Halden Rolf U., Schwab Kellogg J., & Pew Commission on Industrial Farm Animal Production. Environmental impact of industrial farm animal production.

Cita Chicago (17th ed.)

Halden Rolf U., Schwab Kellogg J., i Pew Commission on Industrial Farm Animal Production. Environmental Impact of Industrial Farm Animal Production.

Cita MLA (9th ed.)

Halden Rolf U., et al. Environmental Impact of Industrial Farm Animal Production.