APA Style

et.al., ., Krieg, N, R. (2011). Bergey's manual of systematic bacteriology : volume four : the bacteroidetes, spirochaetes, tenericutes (mollicutes), acidobacteria, fibrobacteres, fuobacteria, dictyoglomi, gemmatimonadetes, lentisphaerae, verrucumicrobia, chlamydiae, and planctomycetes (2nd). New York: Springer.

MLA Style

et.al., ., Krieg, Noel, R.. "Bergey's manual of systematic bacteriology : volume four : the bacteroidetes, spirochaetes, tenericutes (mollicutes), acidobacteria, fibrobacteres, fuobacteria, dictyoglomi, gemmatimonadetes, lentisphaerae, verrucumicrobia, chlamydiae, and planctomycetes". 2nd New York: Springer, 2011. .