Стиль цитування APA (7-ме видання)

(2001). Microorganisms in activated sludge and biofilm processes: 3rd IWA International specialised conference (13-15 june 2001, Rome).

Чикаго стиль цитування (17-те видання)

Microorganisms in Activated Sludge and Biofilm Processes: 3rd IWA International Specialised Conference (13-15 June 2001, Rome). 2001.

Стиль цитування MLA (9-ме видання)

Microorganisms in Activated Sludge and Biofilm Processes: 3rd IWA International Specialised Conference (13-15 June 2001, Rome). 2001.