APA (7th ed.) Citation

National Trust for Historic Preservation in the United States. (1980). Directory of private, nonprofit preservation organizations: State & local levels. Preservation Press.

Chicago Style (17th ed.) Citation

National Trust for Historic Preservation in the United States. Directory of Private, Nonprofit Preservation Organizations: State & Local Levels. Washington, D.C.: Preservation Press, 1980.

MLA (9th ed.) Citation

National Trust for Historic Preservation in the United States. Directory of Private, Nonprofit Preservation Organizations: State & Local Levels. Preservation Press, 1980.