APA (7th ed.) Citation

Xu, M., Zhai, Y., & MacDonald, I. M. (2020). Visual Field Progression in Retinitis Pigmentosa. Investigative ophthalmology & visual science, 61(6), 56. https://doi.org/10.1167/iovs.61.6.56

Chicago Style (17th ed.) Citation

Xu, Manlong, Yi Zhai, and Ian M. MacDonald. "Visual Field Progression in Retinitis Pigmentosa." Investigative Ophthalmology & Visual Science 61, no. 6 (2020): 56. https://doi.org/10.1167/iovs.61.6.56.

MLA (9th ed.) Citation

Xu, Manlong, et al. "Visual Field Progression in Retinitis Pigmentosa." Investigative Ophthalmology & Visual Science, vol. 61, no. 6, 2020, p. 56, https://doi.org/10.1167/iovs.61.6.56.

Warning: These citations may not always be 100% accurate.