Failure of filtration operations in the African.

MLA

Welsh, N. H. “Failure of Filtration Operations in the African.” The British Journal of Ophthalmology, vol. 54, no. 9, Sept. 1970, pp. 594–98. EBSCOhost, https://doi.org/10.1136/bjo.54.9.594.

APA

Welsh, N. H. (1970). Failure of filtration operations in the African. The British Journal of Ophthalmology, 54(9), 594–598. https://doi.org/10.1136/bjo.54.9.594

Chicago

Welsh, N H. 1970. “Failure of Filtration Operations in the African.” The British Journal of Ophthalmology 54 (9): 594–98. doi:10.1136/bjo.54.9.594.