APA Style

et.al., ., Korres, N, E. (2013). Bioenergy production by anaerobic digestion : using agricultural biomass and organic wastes . New York: Routledge.

MLA Style

et.al., ., Korres, Nicholas, E.. "Bioenergy production by anaerobic digestion : using agricultural biomass and organic wastes". New York: Routledge, 2013. .