Cita APA (7a ed.)

Foro Económico Mundial. (1993). Instrumentation in wastewater treatment facilities manual of practice n. 21 (1a ed.). Water Environment Federation.

Cita Chicago Style (17a ed.)

Foro Económico Mundial. Instrumentation in Wastewater Treatment Facilities Manual of Practice N. 21. 1a ed. Alexandria: Water Environment Federation, 1993.

Cita MLA (9a ed.)

Foro Económico Mundial. Instrumentation in Wastewater Treatment Facilities Manual of Practice N. 21. 1a ed. Water Environment Federation, 1993.