Williamson, T. N. (1968). Large shaft drilling for coal mines. Mining Congress Journal, 54, 24.
Chicago Style (17th ed.) CitationWilliamson, T. N. "Large Shaft Drilling for Coal Mines." Mining Congress Journal 54 (1968): 24.
MLA (9th ed.) CitationWilliamson, T. N. "Large Shaft Drilling for Coal Mines." Mining Congress Journal, vol. 54, 1968, p. 24.
Warning: These citations may not always be 100% accurate.