Darriwilian to Katian (Ordovician) Graptolites from Northwest China

MLA

Zhang, Yuandong; Goldman, Daniel; Bergström, Stig M.; Finney, Stanley C.; Chen, Xu, et al. Darriwilian to Katian (ordovician) Graptolites From Northwest China. Elsevier, 2015.

APA

Zhang, X., Bergström, S. M, Chen Xu, C., Chen, X., Finney, S. C, Goldman, D., & Zhang, Y. (2015). Darriwilian to Katian (Ordovician) Graptolites from Northwest China. Elsevier.

Chicago

Zhang, Yuandong; Goldman, Daniel; Bergström, Stig M.; Finney, Stanley C.; Chen, Xu, Stig M Bergström, Chen Chen Xu, Xu Chen, Stanley C Finney, Daniel Goldman, and Yuandong Zhang. Darriwilian to Katian (ordovician) Graptolites From Northwest China. : Elsevier, 2015.