Striegel, M. F. (2016). Preserving grave markers in historic cemeteries. National Park Service, U.S. Department of the Interior, Technical Preservation Services.
Chicago Style (17th ed.) CitationStriegel, Mary F. Preserving Grave Markers in Historic Cemeteries. [Washington, D.C.]: National Park Service, U.S. Department of the Interior, Technical Preservation Services, 2016.
MLA (9th ed.) CitationStriegel, Mary F. Preserving Grave Markers in Historic Cemeteries. National Park Service, U.S. Department of the Interior, Technical Preservation Services, 2016.
Warning: These citations may not always be 100% accurate.