APA Style

et.al., ., Kowalchuk, G, A. (2004). Molecular microbial ecology manual volume 1 & 2 . Dordrecht, The Netherlands: Kluwer Academic Publishers.

MLA Style

et.al., ., Kowalchuk, George, A.. "Molecular microbial ecology manual volume 1 & 2". Dordrecht, The Netherlands: Kluwer Academic Publishers, 2004. .