APA (7th ed.) Citation

Bell, C. K., Keefe, R. F., & Fried, J. S. (2017). OpCost: An open-source system for estimating costs of stand-level forest operations. U.S. Department of Agriculture, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Bell, Conor K., Robert F. Keefe, and Jeremy Steven Fried. OpCost: An Open-source System for Estimating Costs of Stand-level Forest Operations. Portland, OR: U.S. Department of Agriculture, Pacific Northwest Research Station, 2017.

MLA (9th ed.) Citation

Bell, Conor K., et al. OpCost: An Open-source System for Estimating Costs of Stand-level Forest Operations. U.S. Department of Agriculture, Pacific Northwest Research Station, 2017.