American Association of State Highway Officials. Committee on Planning and Design Policies. (1968). A guide on safety rest areas for the national system of interstate and defense highways. [publisher not identified].
Chicago Style (17th ed.) CitationAmerican Association of State Highway Officials. Committee on Planning and Design Policies. A Guide on Safety Rest Areas for the National System of Interstate and Defense Highways. Washington: [publisher not identified], 1968.
MLA (9th ed.) CitationAmerican Association of State Highway Officials. Committee on Planning and Design Policies. A Guide on Safety Rest Areas for the National System of Interstate and Defense Highways. [publisher not identified], 1968.
Warning: These citations may not always be 100% accurate.