Cita APA (7th ed.)

U.S. Symposium on Rock Mechanics University of Texas at Austin. (1979). 20th U.S. Symposium on Rock Mechanics: [proceedings volume]. Dept. of Petroleum Engineering, University of Texas at Austin.

Cita Chicago (17th ed.)

U.S. Symposium on Rock Mechanics University of Texas at Austin. 20th U.S. Symposium on Rock Mechanics: [proceedings Volume]. [Austin, Tex.: Dept. of Petroleum Engineering, University of Texas at Austin, 1979.

Cita MLA (8th ed.)

U.S. Symposium on Rock Mechanics University of Texas at Austin. 20th U.S. Symposium on Rock Mechanics: [proceedings Volume]. Dept. of Petroleum Engineering, University of Texas at Austin, 1979.