APA (7th ed.) Citation

Topper, T. P., Guo, J., Clausen, S., Skovsted, C. B., & Zhang, Z. (2019). A stem group echinoderm from the basal Cambrian of China and the origins of Ambulacraria. Nature Portfolio.

Chicago Style (17th ed.) Citation

Topper, Timothy P., Junfeng Guo, Sébastien Clausen, Christian B. Skovsted, and Zhifei Zhang. A Stem Group Echinoderm from the Basal Cambrian of China and the Origins of Ambulacraria. Nature Portfolio, 2019.

MLA (8th ed.) Citation

Topper, Timothy P., et al. A Stem Group Echinoderm from the Basal Cambrian of China and the Origins of Ambulacraria. Nature Portfolio, 2019.