MLA

Abramowicz, and Gary Klein. Business Information Systems: 23rd International Conference, Bis 2020, Colorado Springs, Co, Usa, June 8–10, 2020, Proceedings. Springer International Publishing, 2020.

APA

Abramowicz, A., & Klein, G. (2020). Business Information Systems: 23rd International Conference, BIS 2020, Colorado Springs, CO, USA, June 8–10, 2020, Proceedings. Springer International Publishing.

Chicago

Abramowicz, and Gary Klein. Business Information Systems: 23rd International Conference, BIS 2020, Colorado Springs, CO, USA, June 8–10, 2020, Proceedings. : Springer International Publishing, 2020.