APA Style

Officials), A, (, A, O, S, H, A, T. (1982). Standard specifications for transportation materials and methods of sampling and testing part I : specifications (1). Washington: AASHTO.

MLA Style

Officials), AASHTO, (American, Association, Of, State, Highway, And, Transportation. "Standard specifications for transportation materials and methods of sampling and testing part I : specifications". 1 Washington: AASHTO, 1982. Text.