Cita APA (7a ed.)

Steel, E. W. (1960). Water supply and sewerage (4th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Steel, Ernest. W. Water Supply and Sewerage. 4th ed. New York: McGraw-Hill, 1960.

Cita MLA (9a ed.)

Steel, Ernest. W. Water Supply and Sewerage. 4th ed. McGraw-Hill, 1960.