APA (7th ed.) Citation

Hansen, R. (1975). Methane generation from livestock wastes. Western Regional Agricultural Engineering Service.

Chicago Style (17th ed.) Citation

Hansen, Ralph. Methane Generation from Livestock Wastes. Corvallis, Or.: Western Regional Agricultural Engineering Service, 1975.

MLA (9th ed.) Citation

Hansen, Ralph. Methane Generation from Livestock Wastes. Western Regional Agricultural Engineering Service, 1975.