APA (7th ed.) Citation

Kotrc, B., Wulf, G., Schmidt, D. N., & Lazarus, D. (2009). Radiolarians decreased silicification as an evolutionary response to reduced Cenozoic ocean silica availability. Proceedings of the National Academy of Sciences, 106(23), 9333.

Chicago Style (17th ed.) Citation

Kotrc, Benjamin, Gerwin Wulf, Daniela N. Schmidt, and David Lazarus. "Radiolarians Decreased Silicification as an Evolutionary Response to Reduced Cenozoic Ocean Silica Availability." Proceedings of the National Academy of Sciences 106, no. 23 (2009): 9333.

MLA (9th ed.) Citation

Kotrc, Benjamin, et al. "Radiolarians Decreased Silicification as an Evolutionary Response to Reduced Cenozoic Ocean Silica Availability." Proceedings of the National Academy of Sciences, vol. 106, no. 23, 2009, p. 9333.