APA

National Research Council, . (1966). Rock mechanics. Washington, D.C: Highway Research Board of the Nat. Acad. of Sciences - National Research Council.

Chicago

National Research Council, . 1966. Rock mechanics. Washington, D.C: Highway Research Board of the Nat. Acad. of Sciences - National Research Council.

Harvard

National Research Council, . (1966). Rock mechanics. Washington, D.C: Highway Research Board of the Nat. Acad. of Sciences - National Research Council.

MLA

National Research Council, . Rock mechanics. Washington, D.C: Highway Research Board of the Nat. Acad. of Sciences - National Research Council. 1966.