APA (7th ed.) Citation

Lu, Q., Zheng, Y., Sun, B., Cui, T., Congdon, N., Hu, A., . . . Shi, J. (2009). A Population-based Study of Visual Impairment Among Pre-school Children in Beijing: The Beijing Study of Visual Impairment in Children. American journal of ophthalmology, 147(6), 1075-1081. https://doi.org/10.1016/j.ajo.2008.11.021

Chicago Style (17th ed.) Citation

Lu, Qing, Yuanyuan Zheng, Baochen Sun, Tongtong Cui, Nathan Congdon, Ailian Hu, Jianhua Chen, and Jiliang Shi. "A Population-based Study of Visual Impairment Among Pre-school Children in Beijing: The Beijing Study of Visual Impairment in Children." American Journal of Ophthalmology 147, no. 6 (2009): 1075-1081. https://doi.org/10.1016/j.ajo.2008.11.021.

MLA (9th ed.) Citation

Lu, Qing, et al. "A Population-based Study of Visual Impairment Among Pre-school Children in Beijing: The Beijing Study of Visual Impairment in Children." American Journal of Ophthalmology, vol. 147, no. 6, 2009, pp. 1075-1081, https://doi.org/10.1016/j.ajo.2008.11.021.