APA (7th ed.) Citation
(1979). Proceedings ... Congress of the International Society for Rock Mechanics. Balkema.
Chicago Style (17th ed.) Citation
Proceedings ... Congress of the International Society for Rock Mechanics. Rotterdam: Balkema, 1979.
MLA (9th ed.) Citation
Proceedings ... Congress of the International Society for Rock Mechanics. Balkema, 1979.
Warning: These citations may not always be 100% accurate.