APA Style

Materials, A, S, F, T, A. (1969). Determination of the In Situ Modulus of Deformation of Rock . Philadelphia: A. S. T. M.

MLA Style

Materials, American, Society, For, Testing, And. "Determination of the In Situ Modulus of Deformation of Rock". Philadelphia: A. S. T. M, 1969. Text.