Cita APA (7a ed.)

Ma, Y., Yang, Y., Wang, F., Zhang, P., Shi, C., Zou, Y., & Qin, H. (2013). Obesity and risk of colorectal cancer: A systematic review of prospective studies. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Ma, Yanlei, Yongzhi Yang, Feng Wang, Peng Zhang, Chenzhang Shi, Yang Zou, y Huanlong Qin. Obesity and Risk of Colorectal Cancer: A Systematic Review of Prospective Studies. Public Library of Science (PLoS), 2013.

Cita MLA (8a ed.)

Ma, Yanlei, et al. Obesity and Risk of Colorectal Cancer: A Systematic Review of Prospective Studies. Public Library of Science (PLoS), 2013.