Cita APA (7a ed.)

Yang, G., Wang, Y., Tian, J., & Liu, J. (2013). Huperzine A for Alzheimer's disease: A systematic review and meta-analysis of randomized clinical trials. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Yang, Guoyan, Yuyi Wang, Jinzhou Tian, y Jian-Ping Liu. Huperzine A for Alzheimer's Disease: A Systematic Review and Meta-analysis of Randomized Clinical Trials. Public Library of Science (PLoS), 2013.

Cita MLA (8a ed.)

Yang, Guoyan, et al. Huperzine A for Alzheimer's Disease: A Systematic Review and Meta-analysis of Randomized Clinical Trials. Public Library of Science (PLoS), 2013.