Socioeconomic status and visual impairment among urban Americans. Baltimore Eye Survey Research Group.

MLA

Tielsch, J. M., et al. “Socioeconomic Status and Visual Impairment among Urban Americans. Baltimore Eye Survey Research Group.” Archives of Ophthalmology (Chicago, Ill. : 1960), vol. 109, no. 5, May 1991, pp. 637–41. EBSCOhost, https://doi.org/10.1001/archopht.1991.01080050051027.

APA

Tielsch, J. M., Sommer, A., Katz, J., Quigley, H., & Ezrine, S. (1991). Socioeconomic status and visual impairment among urban Americans. Baltimore Eye Survey Research Group. Archives of Ophthalmology (Chicago, Ill. : 1960), 109(5), 637–641. https://doi.org/10.1001/archopht.1991.01080050051027

Chicago

Tielsch, J M, A Sommer, J Katz, H Quigley, and S Ezrine. 1991. “Socioeconomic Status and Visual Impairment among Urban Americans. Baltimore Eye Survey Research Group.” Archives of Ophthalmology (Chicago, Ill. : 1960) 109 (5): 637–41. doi:10.1001/archopht.1991.01080050051027.