Woodruff, S. D. (1966). Methods of working coal and metal mines, vol. 1: Theory and application of rock mechanics to roof control and support problems. Pergamon Press.
Chicago Style (17th ed.) CitationWoodruff, Seth D. Methods of Working Coal and Metal Mines, Vol. 1: Theory and Application of Rock Mechanics to Roof Control and Support Problems. Oxford: Pergamon Press, 1966.
MLA (9th ed.) CitationWoodruff, Seth D. Methods of Working Coal and Metal Mines, Vol. 1: Theory and Application of Rock Mechanics to Roof Control and Support Problems. Pergamon Press, 1966.
Warning: These citations may not always be 100% accurate.