Cita APA (7a ed.)

Water Environment Federation. (1993). Water environment federation 66th annual conference & exposition research. Water Environment Federation.

Cita Chicago Style (17a ed.)

Water Environment Federation. Water Environment Federation 66th Annual Conference & Exposition Research. California: Water Environment Federation, 1993.

Cita MLA (9a ed.)

Water Environment Federation. Water Environment Federation 66th Annual Conference & Exposition Research. Water Environment Federation, 1993.