APA (7th ed.) Citation

Zhen, Y. Y., Webby, B. D., & Barnes, C. R. (1999). Upper Ordovician conodonts from the Bowan Park succession, central New South Wales, Australia.

Chicago Style (17th ed.) Citation

Zhen, Yong Yi, Barry D. Webby, and Christopher R. Barnes. Upper Ordovician Conodonts from the Bowan Park Succession, Central New South Wales, Australia. 1999.

MLA (9th ed.) Citation

Zhen, Yong Yi, et al. Upper Ordovician Conodonts from the Bowan Park Succession, Central New South Wales, Australia. 1999.