The Development of Renewable Energy Sources and its Significance for the Environment
  MLA
  Heshmati, Almas, et al. The Development of Renewable Energy Sources and Its Significance for the Environment. Springer Singapore, 2015.
  APA
  Heshmati, A., Abolhosseini, S., & Altmann, J., & Altmann, J. (2015). The Development of Renewable Energy Sources and its Significance for the Environment. Springer Singapore.
  Chicago
  Heshmati, Almas, Shahrouz Abolhosseini, Jörn Altmann, and Jö Altmann. The Development of Renewable Energy Sources and Its Significance for the Environment. : Springer Singapore, 2015.