APA
Rock mechanics. Symposium 11 B. C. J. 1. P., . (1970). Rock mechanics. New York, NY: Rock mechanics. Symposium 11, Berkeley, California, June 1969. Proceedings.
Chicago
Rock mechanics. Symposium 11 Berkeley California June 1969 Proceedings, . 1970. Rock mechanics. New York, NY: Rock mechanics. Symposium 11, Berkeley, California, June 1969. Proceedings.
Harvard
Rock mechanics. Symposium 11 B. C. J. 1. P., . (1970). Rock mechanics. New York, NY: Rock mechanics. Symposium 11, Berkeley, California, June 1969. Proceedings.
MLA
Rock mechanics. Symposium 11 Berkeley California June 1969 Proceedings, . Rock mechanics. New York, NY: Rock mechanics. Symposium 11, Berkeley, California, June 1969. Proceedings. 1970.