American Association of State Highway Officials. (1950). Standard specifications for highway materials and methods of sampling and testing (6th ed.). the Association.
Chicago Style (17th ed.) CitationAmerican Association of State Highway Officials. Standard Specifications for Highway Materials and Methods of Sampling and Testing. 6th ed. Washington, D.C.: the Association, 1950.
MLA (8th ed.) CitationAmerican Association of State Highway Officials. Standard Specifications for Highway Materials and Methods of Sampling and Testing. 6th ed. the Association, 1950.
Warning: These citations may not always be 100% accurate.