Cita APA (7a ed.)

Ehlers, V. (1965). Municipal and rural sanitation. McGraw-Hill.

Cita Chicago Style (17a ed.)

Ehlers, V. Municipal and Rural Sanitation. New York: McGraw-Hill, 1965.

Cita MLA (9a ed.)

Ehlers, V. Municipal and Rural Sanitation. McGraw-Hill, 1965.