Cita APA (7th ed.)

Imhoff, K., & Fair, G. M. (1940). Sewage treatment. John Wiley.

Cita Chicago (17th ed.)

Imhoff, Karl, i Gordon Maskew Fair. Sewage Treatment. Londres: John Wiley, 1940.

Cita MLA (9th ed.)

Imhoff, Karl, i Gordon Maskew Fair. Sewage Treatment. John Wiley, 1940.