SpringerLink (Online service) & Brenner, D. J. (2005). Bergey's manual of systematic bacteriology: Volume two the proteobacteria part C the alpha-, beta-, delta-, and epsilonproteobacteria (2nd ed.). Bergey's Manual Trust.
Chicago Style (17th ed.) CitationSpringerLink (Online service) and Don J. Brenner. Bergey's Manual of Systematic Bacteriology: Volume Two the Proteobacteria Part C the Alpha-, Beta-, Delta-, and Epsilonproteobacteria. 2nd ed. Boston, MA: Bergey's Manual Trust, 2005.
MLA (8th ed.) CitationSpringerLink (Online service) and Don J. Brenner. Bergey's Manual of Systematic Bacteriology: Volume Two the Proteobacteria Part C the Alpha-, Beta-, Delta-, and Epsilonproteobacteria. 2nd ed. Bergey's Manual Trust, 2005.
Warning: These citations may not always be 100% accurate.