APA (7th ed.) Citation

(2012). U.S. National Arboretum visitor guide (Reprinted December 2012.). United States Department of Agriculture, Agricultural Research Service.

Chicago Style (17th ed.) Citation

U.S. National Arboretum Visitor Guide. Reprinted December 2012. Washington, D.C.: United States Department of Agriculture, Agricultural Research Service, 2012.

MLA (9th ed.) Citation

U.S. National Arboretum Visitor Guide. Reprinted December 2012. United States Department of Agriculture, Agricultural Research Service, 2012.