APA (7th ed.) Citation

(2010). C&O Canal Junior Ranger activity book. National Park Service, U.S. Department of the Interior.

Chicago Style (17th ed.) Citation

C&O Canal Junior Ranger Activity Book. [Washington, D.C.]: National Park Service, U.S. Department of the Interior, 2010.

MLA (8th ed.) Citation

C&O Canal Junior Ranger Activity Book. National Park Service, U.S. Department of the Interior, 2010.