Cita APA

Obert, L., & Duvall, W. I. (1967). Rock mechanics and the design of structures in rock (1a. ed.). John Wiley and Sons.

Citación estilo Chicago

Obert, Leonard, and Wilbur I. Duvall. Rock Mechanics and the Design of Structures in Rock. 1a. ed. Nueva York: John Wiley and Sons, 1967.

Cita MLA

Obert, Leonard, and Wilbur I. Duvall. Rock Mechanics and the Design of Structures in Rock. 1a. ed. John Wiley and Sons, 1967.