Παραπομπή APA

Hu, Q., Sun, L., Xie, Z., Emslie, S. D., & Liu, X. (2013). Increase in penguin populations during the Little Ice Age in the Ross Sea, Antarctica. Nature Publishing Group.

Παραπομπή Chicago Style

Hu, Qi-Hou, Li-Guang Sun, Zhou-Qing Xie, Steven D. Emslie, και Xiao-Dong Liu. Increase in Penguin Populations During the Little Ice Age in the Ross Sea, Antarctica. Nature Publishing Group, 2013.

Παραπομπή MLA

Hu, Qi-Hou, et al. Increase in Penguin Populations During the Little Ice Age in the Ross Sea, Antarctica. Nature Publishing Group, 2013.

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