Babbitt, H. E. (1940). Sewerage and sewage treatment (5th ed.). John Wiley & Sons [etc.].
Cita Chicago Style (17a ed.)Babbitt, Harold E. Sewerage and Sewage Treatment. 5th ed. New York [etc.]: John Wiley & Sons [etc.], 1940.
Cita MLA (9a ed.)Babbitt, Harold E. Sewerage and Sewage Treatment. 5th ed. John Wiley & Sons [etc.], 1940.
Precaución: Estas citas no son 100% exactas.