APA (7th ed.) Citation

Crum, D. A. (1991). Rotational failure mechanisms using multiple friction circles for stablility analysis. Bureau of Mines, U.S. Dept. of the Interior.

Chicago Style (17th ed.) Citation

Crum, Douglas A. Rotational Failure Mechanisms Using Multiple Friction Circles for Stablility Analysis. Washington, D.C.: Bureau of Mines, U.S. Dept. of the Interior, 1991.

MLA (9th ed.) Citation

Crum, Douglas A. Rotational Failure Mechanisms Using Multiple Friction Circles for Stablility Analysis. Bureau of Mines, U.S. Dept. of the Interior, 1991.