APA (7th ed.) Citation

Xu, C., Bergstroem, S. M., Yuandong, Z., Goldman, D., & Qing, C. (2010). Upper Ordovician (Sandbian-Katian) graptolite and conodont zonation in the Yangtze region, China. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 101(2), 111.

Chicago Style (17th ed.) Citation

Xu, Chen, Stig M. Bergstroem, Zhang Yuandong, Dan Goldman, and Chen Qing. "Upper Ordovician (Sandbian-Katian) Graptolite and Conodont Zonation in the Yangtze Region, China." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 101, no. 2 (2010): 111.

MLA (9th ed.) Citation

Xu, Chen, et al. "Upper Ordovician (Sandbian-Katian) Graptolite and Conodont Zonation in the Yangtze Region, China." Earth and Environmental Science Transactions of the Royal Society of Edinburgh, vol. 101, no. 2, 2010, p. 111.