Cita APA (7a ed.)

Water Environment Federation & Purdue University. (2000). 2000 WEF and Purdue University industrial wastes technical conference: St. Louis, Missouri U.S.A., May 21-24, 2000. Water Environment Federation.

Cita Chicago Style (17a ed.)

Water Environment Federation y Purdue University. 2000 WEF and Purdue University Industrial Wastes Technical Conference: St. Louis, Missouri U.S.A., May 21-24, 2000. Alexandria, Va.: Water Environment Federation, 2000.

Cita MLA (9a ed.)

Water Environment Federation y Purdue University. 2000 WEF and Purdue University Industrial Wastes Technical Conference: St. Louis, Missouri U.S.A., May 21-24, 2000. Water Environment Federation, 2000.