The worldwide epidemic of diabetic retinopathy.

MLA

Yingfeng Zheng, et al. “The Worldwide Epidemic of Diabetic Retinopathy.” Indian Journal of Ophthalmology, vol. 60, no. 5, Oct. 2012, pp. 428–31. EBSCOhost, https://doi.org/10.4103/0301-4738.100542.

APA

Yingfeng Zheng, Mingguang He, & Congdon, N. (2012). The worldwide epidemic of diabetic retinopathy. Indian Journal of Ophthalmology, 60(5), 428–431. https://doi.org/10.4103/0301-4738.100542

Chicago

Yingfeng Zheng, Mingguang He, and Nathan Congdon. 2012. “The Worldwide Epidemic of Diabetic Retinopathy.” Indian Journal of Ophthalmology 60 (5): 428–31. doi:10.4103/0301-4738.100542.