Cita APA (7a ed.)

Han, L., Jia, J., & Wang, L. (2021). Economic and educational factors played roles in the development of regional vision impairment in Shandong province, China. Nature Portfolio.

Cita Chicago Style (17a ed.)

Han, Lizhen, Jinzhu Jia, y Lu Wang. Economic and Educational Factors Played Roles in the Development of Regional Vision Impairment in Shandong Province, China. Nature Portfolio, 2021.

Cita MLA (8a ed.)

Han, Lizhen, et al. Economic and Educational Factors Played Roles in the Development of Regional Vision Impairment in Shandong Province, China. Nature Portfolio, 2021.