APA Style
      Cramer, W, A., Kallas, T. (2015).
    Cytochrome complexes : evolution, structures, energy transduction, and signaling .
    Dordrecht:
  Springer.
  
MLA Style
      Cramer, W., A.., Kallas, Toivo.
    "Cytochrome complexes : evolution, structures, energy transduction, and signaling".
    
    Dordrecht:
  Springer,
  2015.
  Text.