Cita APA (7th ed.)

Barnes, D., & Wilson, F. (1976). The design and operation of small sewage works. E. & F. N. Spon distributed in the U.S.A. by Halsted Press.

Cita Chicago (17th ed.)

Barnes, D., i F. Wilson. The Design and Operation of Small Sewage Works. London, New York: E. & F. N. Spon distributed in the U.S.A. by Halsted Press, 1976.

Cita MLA (9th ed.)

Barnes, D., i F. Wilson. The Design and Operation of Small Sewage Works. E. & F. N. Spon distributed in the U.S.A. by Halsted Press, 1976.