APA (7th ed.) Citation

Aldorf, J., & Exner, K. (1986). Mine openings, stability and support. Elsevier.

Chicago Style (17th ed.) Citation

Aldorf, Josef, and Karel Exner. Mine Openings, Stability and Support. Amsterdam ; New York: Elsevier, 1986.

MLA (9th ed.) Citation

Aldorf, Josef, and Karel Exner. Mine Openings, Stability and Support. Elsevier, 1986.