APA (7th ed.) Citation

Lenake, M., Cook, C., Mustak, H., & Du Toit, N. (2014). How useful is visual field testing in an African glaucoma clinic? Clinical Ophthalmology, 8, 1767. https://doi.org/10.2147/OPTH.S67933

Chicago Style (17th ed.) Citation

Lenake, Mpopi, Colin Cook, Hamzah Mustak, and Nagib Du Toit. "How Useful Is Visual Field Testing in an African Glaucoma Clinic?" Clinical Ophthalmology 8 (2014): 1767. https://doi.org/10.2147/OPTH.S67933.

MLA (9th ed.) Citation

Lenake, Mpopi, et al. "How Useful Is Visual Field Testing in an African Glaucoma Clinic?" Clinical Ophthalmology, vol. 8, 2014, p. 1767, https://doi.org/10.2147/OPTH.S67933.