Visual acuity and its measurement.

MLA

Kniestedt, Christoph, and Robert L. Stamper. “Visual Acuity and Its Measurement.” Ophthalmology Clinics of North America, vol. 16, no. 2, June 2003, p. 155. EBSCOhost, https://doi.org/10.1016/s0896-1549(03)00013-0.

APA

Kniestedt, C., & Stamper, R. L. (2003). Visual acuity and its measurement. Ophthalmology Clinics of North America, 16(2), 155. https://doi.org/10.1016/s0896-1549(03)00013-0

Chicago

Kniestedt, Christoph, and Robert L Stamper. 2003. “Visual Acuity and Its Measurement.” Ophthalmology Clinics of North America 16 (2): 155. doi:10.1016/s0896-1549(03)00013-0.