APA (7th ed.) Citation

Zulu, N., Piotie, P. N., Webb, E. M., Maphenduka, W. G., Cook, S., & Rheeder, P. Screening for diabetic retinopathy at a health centre in South Africa: A cross-sectional study. AOSIS.

Chicago Style (17th ed.) Citation

Zulu, Ntokozo, Patrick Ngassa Piotie, Elizabeth M. Webb, Wezi G. Maphenduka, Steve Cook, and Paul Rheeder. Screening for Diabetic Retinopathy at a Health Centre in South Africa: A Cross-sectional Study. AOSIS.

MLA (9th ed.) Citation

Zulu, Ntokozo, et al. Screening for Diabetic Retinopathy at a Health Centre in South Africa: A Cross-sectional Study. AOSIS.