APA citiranje

Chirambo, M. C., Tielsch, J. M., West, K. P., Katz, J., Tizazu, T., Schwab, L., . . . Sommer, A. (1986). Blindness and visual impairment in southern Malawi.

Citação norma Chicago

Chirambo, M. C., et al. Blindness and Visual Impairment in Southern Malawi. 1986.

MLA citiranje

Chirambo, M. C., et al. Blindness and Visual Impairment in Southern Malawi. 1986.