Cita APA (7a ed.)

Guo, Z., Zhang, L., & Li, Y. (2010). Increased dependence of humans on ecosystem services and biodiversity. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Guo, Zhongwei, Lin Zhang, y Yiming Li. Increased Dependence of Humans on Ecosystem Services and Biodiversity. Public Library of Science (PLoS), 2010.

Cita MLA (8a ed.)

Guo, Zhongwei, et al. Increased Dependence of Humans on Ecosystem Services and Biodiversity. Public Library of Science (PLoS), 2010.