American Society for Testing and Materials & ASTM Committee D-18 on Soil and Rock for Engineering Purposes. (1970). Special procedures for testing soil and rock for engineering purposes sponsored by ASTM COMMITTEE D-18 on Soil and Rock for Engineering Purposes Suggested Methods Standard and Tentative Methods, Definitions, and Nomenclature (by Reference Only) (5th ed.). American Society for Testing and Materials.
Chicago Style (17th ed.) CitationAmerican Society for Testing and Materials and ASTM Committee D-18 on Soil and Rock for Engineering Purposes. Special Procedures for Testing Soil and Rock for Engineering Purposes Sponsored by ASTM COMMITTEE D-18 on Soil and Rock for Engineering Purposes Suggested Methods Standard and Tentative Methods, Definitions, and Nomenclature (by Reference Only). 5th ed. Philadelphia, Pa.: American Society for Testing and Materials, 1970.
MLA (9th ed.) CitationAmerican Society for Testing and Materials and ASTM Committee D-18 on Soil and Rock for Engineering Purposes. Special Procedures for Testing Soil and Rock for Engineering Purposes Sponsored by ASTM COMMITTEE D-18 on Soil and Rock for Engineering Purposes Suggested Methods Standard and Tentative Methods, Definitions, and Nomenclature (by Reference Only). 5th ed. American Society for Testing and Materials, 1970.