APA (7th ed.) Citation

Campbell, E., & Gettysburg National Military Park (Agency : U.S.). (2004). Treatment philosophy: The 1863 landscape. Gettysburg National Military Park.

Chicago Style (17th ed.) Citation

Campbell, Eric., and Gettysburg National Military Park (Agency : U.S.). Treatment Philosophy: The 1863 Landscape. [Gettysburg, Pa.]: Gettysburg National Military Park, 2004.

MLA (8th ed.) Citation

Campbell, Eric., and Gettysburg National Military Park (Agency : U.S.). Treatment Philosophy: The 1863 Landscape. Gettysburg National Military Park, 2004.