Sustainable Bioenergy Production - An Integrated Approach
  MLA
  Ruppert, Hans, Martin Kappas, and Jens Ibendorf. Sustainable Bioenergy Production - An Integrated Approach. Springer Netherlands, 2013.
  APA
  Ruppert, H., Kappas, M., & Ibendorf, J. (2013). Sustainable Bioenergy Production - An Integrated Approach. Springer Netherlands.
  Chicago
  Ruppert, Hans, Martin Kappas, and Jens Ibendorf. Sustainable Bioenergy Production - An Integrated Approach. : Springer Netherlands, 2013.