Cita APA (7th ed.)

Kerr, C. (1990). Community health and sanitation. Intermediate Technology Publications.

Cita Chicago (17th ed.)

Kerr, Charles. Community Health and Sanitation. London: Intermediate Technology Publications, 1990.

Cita MLA (8th ed.)

Kerr, Charles. Community Health and Sanitation. Intermediate Technology Publications, 1990.