MLA

Katz, F. M, and Richard E Snow. Assessing Health Workers' Performance : a Manual for Training and Supervision. Geneva: World Health Organization , 1980.

APA

Katz, F. M, & Snow, R. E. (1980). Assessing health workers' performance : a manual for training and supervision. Geneva: World Health Organization .

Chicago

Katz, F. M., and Richard E. Snow. Assessing Health Workers' Performance: A Manual for Training and Supervision. Geneva: World Health Organization, 1980.