The Economics of Crowdfunding
  MLA
  Cumming, Douglas, and Lars Hornuf. The Economics of Crowdfunding. Springer International Publishing, 2018.
  APA
  Cumming, D., & Hornuf, L. (2018). The Economics of Crowdfunding. Springer International Publishing.
  Chicago
  Cumming, Douglas, and Lars Hornuf. The Economics of Crowdfunding. : Springer International Publishing, 2018.