APA (7th ed.) Citation

(2017). Field guide for managing poison hemlock in the Southwest (Revised June 2017.). United States Department of Agriculture, Forest Service, Southwestern Region.

Chicago Style (17th ed.) Citation

Field Guide for Managing Poison Hemlock in the Southwest. Revised June 2017. Albuquerque, NM: United States Department of Agriculture, Forest Service, Southwestern Region, 2017.

MLA (9th ed.) Citation

Field Guide for Managing Poison Hemlock in the Southwest. Revised June 2017. United States Department of Agriculture, Forest Service, Southwestern Region, 2017.