Cita APA (7a ed.)

Ryan, J. R. (1995). Hygiene education in Zambia. UNICEF.

Cita Chicago Style (17a ed.)

Ryan, Jean Rogers. Hygiene Education in Zambia. New York: UNICEF, 1995.

Cita MLA (8a ed.)

Ryan, Jean Rogers. Hygiene Education in Zambia. UNICEF, 1995.