The National Historic Landmarks Program :
the Section 8 report on threatened and damaged landmarks.
APA Citation
United States. National Park Service. Preservation Assistance Division. (1990). The National Historic Landmarks Program: the Section 8 report on threatened and damaged landmarks. [Washington, D.C.: Preservation Assistance Division, National Park Service, U.S. Dept. of the Interior.
MLA Citation
United States. National Park Service. Preservation Assistance Division. The National Historic Landmarks Program: the Section 8 Report On Threatened And Damaged Landmarks. [Washington, D.C.: Preservation Assistance Division, National Park Service, U.S. Dept. of the Interior, 1990.
Warning: These citations may not always be complete (especially for serials).