MLA

Ulbrich, Hans-Liudger Dienel, and Marco Wedel. Internal Crowdsourcing In Companies. Springer International Publishing, 2021.

APA

Ulbrich, U., Dienel, H., & Wedel, M. (2021). Internal Crowdsourcing in Companies. Springer International Publishing.

Chicago

Ulbrich, Hans-Liudger Dienel, and Marco Wedel. Internal Crowdsourcing In Companies. : Springer International Publishing, 2021.