APA (7th ed.) Citation

National Herb Garden (U.S.). (2017). National herb garden, U.S. National Arboretum (Slightly revised October 2017.). United States Department of Agriculture, Agricultural Research Service.

Chicago Style (17th ed.) Citation

National Herb Garden (U.S.). National Herb Garden, U.S. National Arboretum. Slightly revised October 2017. [Washington, D.C.]: United States Department of Agriculture, Agricultural Research Service, 2017.

MLA (9th ed.) Citation

National Herb Garden (U.S.). National Herb Garden, U.S. National Arboretum. Slightly revised October 2017. United States Department of Agriculture, Agricultural Research Service, 2017.