APA (7th ed.) Citation

Xu, C., Xuan, F., Melchin, M., & Mitchell, C. (2005). Hirnantian (Latest Ordovician) graptolites from the Upper Yangtze region, China. WILEY-BLACKWELL.

Chicago Style (17th ed.) Citation

Xu, C., FJ Xuan, MJ Melchin, and CE Mitchell. Hirnantian (Latest Ordovician) Graptolites from the Upper Yangtze Region, China. WILEY-BLACKWELL, 2005.

MLA (9th ed.) Citation

Xu, C., et al. Hirnantian (Latest Ordovician) Graptolites from the Upper Yangtze Region, China. WILEY-BLACKWELL, 2005.