Style de citation APA (7e éd.)

Xu, K., Wang, X., Liang, P., An, H., Sun, H., Han, W., & Li, Q. (2017). Tree-ring widths are good proxies of annual variation in forest productivity in temperate forests. Nature Portfolio.

Style de citation Chicago (17e éd.)

Xu, Kai, Xiangping Wang, Penghong Liang, Hailong An, Han Sun, Wei Han, et Qiaoyan Li. Tree-ring Widths Are Good Proxies of Annual Variation in Forest Productivity in Temperate Forests. Nature Portfolio, 2017.

Style de citation MLA (8e éd.)

Xu, Kai, et al. Tree-ring Widths Are Good Proxies of Annual Variation in Forest Productivity in Temperate Forests. Nature Portfolio, 2017.