Cloud Computing and Services Science: 9th International Conference, CLOSER 2019, Heraklion, Crete, Greece, May 2–4, 2019, Revised Selected Papers
  MLA
  Ferguson, et al. Cloud Computing and Services Science: 9th International Conference, Closer 2019, Heraklion, Crete, Greece, May 2–4, 2019, Revised Selected Papers. Springer International Publishing, 2020.
  APA
  Ferguson, F., Helfert, M., Méndez Muñoz, V., & Pahl, C. (2020). Cloud Computing and Services Science: 9th International Conference, CLOSER 2019, Heraklion, Crete, Greece, May 2–4, 2019, Revised Selected Papers. Springer International Publishing.
  Chicago
  Ferguson, Markus Helfert, Víctor Méndez Muñoz, and Claus Pahl. Cloud Computing and Services Science: 9th International Conference, CLOSER 2019, Heraklion, Crete, Greece, May 2–4, 2019, Revised Selected Papers. : Springer International Publishing, 2020.