XU, C., JIAYU, R., MITCHELL, C. E., HARPER, D. A. T., JUNXUAN, F., RENBIN, Z., . . . YI, W. (2000). Late Ordovician to earliest Silurian graptolite and brachiopod biozonation from the Yangtze region, South China, with a global correlation. Geological Magazine, 137(6), 623.
Chicago Style (17th ed.) CitationXU, CHEN, RONG JIAYU, CHARLES E. MITCHELL, DAVID A. T. HARPER, FAN JUNXUAN, ZHAN RENBIN, ZHANG YUANDONG, LI RONGYU, and WANG YI. "Late Ordovician to Earliest Silurian Graptolite and Brachiopod Biozonation from the Yangtze Region, South China, with a Global Correlation." Geological Magazine 137, no. 6 (2000): 623.
MLA (9th ed.) CitationXU, CHEN, et al. "Late Ordovician to Earliest Silurian Graptolite and Brachiopod Biozonation from the Yangtze Region, South China, with a Global Correlation." Geological Magazine, vol. 137, no. 6, 2000, p. 623.