APA (7th ed.) Citation

Braun, V., & Herstatt, C. (2009). User-innovation: Barriers to democratization and IP licensing. Routledge.

Chicago Style (17th ed.) Citation

Braun, Viktor, and Cornelius Herstatt. User-innovation: Barriers to Democratization and IP Licensing. New York: Routledge, 2009.

MLA (9th ed.) Citation

Braun, Viktor, and Cornelius Herstatt. User-innovation: Barriers to Democratization and IP Licensing. Routledge, 2009.