United States. National Park Service. (2010). Clara Barton chronology. National Park Service, U.S. Dept. of the Interior.
Chicago Style (17th ed.) CitationUnited States. National Park Service. Clara Barton Chronology. [Washington, D.C.]: National Park Service, U.S. Dept. of the Interior, 2010.
MLA (8th ed.) CitationUnited States. National Park Service. Clara Barton Chronology. National Park Service, U.S. Dept. of the Interior, 2010.
Warning: These citations may not always be 100% accurate.