American Association of State Highway Officials. Operating Committee on Roadside Development. (1961). A policy on landscape development for the national system of interstate and defense highways, 1961. The Association.
Chicago Style (17th ed.) CitationAmerican Association of State Highway Officials. Operating Committee on Roadside Development. A Policy on Landscape Development for the National System of Interstate and Defense Highways, 1961. Washington, D. C.: The Association, 1961.
MLA (9th ed.) CitationAmerican Association of State Highway Officials. Operating Committee on Roadside Development. A Policy on Landscape Development for the National System of Interstate and Defense Highways, 1961. The Association, 1961.
Warning: These citations may not always be 100% accurate.