Paleogene equatorial penguins challenge the proposed relationship between biogeography, diversity, and Cenozoic climate change.

MLA

Clarke, Julia A., et al. “Paleogene Equatorial Penguins Challenge the Proposed Relationship between Biogeography, Diversity, and Cenozoic Climate Change.” Proceedings of the National Academy of Sciences of the United States of America, vol. 104, no. 28, July 2007, pp. 11545–50. EBSCOhost, https://doi.org/10.1073/pnas.0611099104.

APA

Clarke, J. A., Ksepka, D. T., Stucchi, M., Urbina, M., Giannini, N., Bertelli, S., Narváez, Y., & Boyd, C. A. (2007). Paleogene equatorial penguins challenge the proposed relationship between biogeography, diversity, and Cenozoic climate change. Proceedings of the National Academy of Sciences of the United States of America, 104(28), 11545–11550. https://doi.org/10.1073/pnas.0611099104

Chicago

Clarke, Julia A, Daniel T Ksepka, Marcelo Stucchi, Mario Urbina, Norberto Giannini, Sara Bertelli, Yanina Narváez, and Clint A Boyd. 2007. “Paleogene Equatorial Penguins Challenge the Proposed Relationship between Biogeography, Diversity, and Cenozoic Climate Change.” Proceedings of the National Academy of Sciences of the United States of America 104 (28): 11545–50. doi:10.1073/pnas.0611099104.