Multi-Band Effective Mass Approximations
  MLA
  Ehrhardt, Matthias, Thomaas Koprucki, and Thomas Koprucki. Multi-band Effective Mass Approximations. Springer International Publishing, 2014.
  APA
  Ehrhardt, M., & Koprucki, T., & Koprucki, T. (2014). Multi-Band Effective Mass Approximations. Springer International Publishing.
  Chicago
  Ehrhardt, Matthias, Thomaas Koprucki, and Thomas Koprucki. Multi-Band Effective Mass Approximations. : Springer International Publishing, 2014.