Cita APA (7a ed.)

Xu, X., Tan, Q., Sullivan, C., Han, F., & Xiao, D. (2011). A short-armed troodontid dinosaur from the Upper Cretaceous of Inner Mongolia and its implications for troodontid evolution. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Xu, Xing, Qingwei Tan, Corwin Sullivan, Fenglu Han, y Dong Xiao. A Short-armed Troodontid Dinosaur from the Upper Cretaceous of Inner Mongolia and Its Implications for Troodontid Evolution. Public Library of Science (PLoS), 2011.

Cita MLA (8a ed.)

Xu, Xing, et al. A Short-armed Troodontid Dinosaur from the Upper Cretaceous of Inner Mongolia and Its Implications for Troodontid Evolution. Public Library of Science (PLoS), 2011.