Cita APA (7a ed.)

Wahlstrom, E. E. (1973). Tunneling in rock. Elsevier.

Cita Chicago Style (17a ed.)

Wahlstrom, Ernest E. Tunneling in Rock. New York: Elsevier, 1973.

Cita MLA (8a ed.)

Wahlstrom, Ernest E. Tunneling in Rock. Elsevier, 1973.