APA (7th ed.) Citation
IAWPRC Conference on Design and Operation of Large Wastewater Treatment Plants (6th : 1991 : Prague), IAWPRC, Pergamon Press, Grau P, & Wanner J. (1991). Design and operation of large wastewater treatment plants: Proceedings of the 6th IAWPRC Conference on design and operation . Pergamon Press.
Chicago Style (17th ed.) Citation
IAWPRC Conference on Design and Operation of Large Wastewater Treatment Plants (6th : 1991 : Prague), IAWPRC, Pergamon Press, Grau P, and Wanner J. Design and Operation of Large Wastewater Treatment Plants: Proceedings of the 6th IAWPRC Conference on Design and Operation . Pergamon Press, 1991.
MLA (9th ed.) Citation
IAWPRC Conference on Design and Operation of Large Wastewater Treatment Plants (6th : 1991 : Prague), et al. Design and Operation of Large Wastewater Treatment Plants: Proceedings of the 6th IAWPRC Conference on Design and Operation . Pergamon Press, 1991.
Warning: These citations may not always be 100% accurate.