APA (7th ed.) Citation
Hilker, C., & Zajko, M. ROI of social media marketing in insurance in Germany.
Chicago Style (17th ed.) Citation
Hilker, Claudia, and Marián Zajko. ROI of Social Media Marketing in Insurance in Germany.
MLA (9th ed.) Citation
Hilker, Claudia, and Marián Zajko. ROI of Social Media Marketing in Insurance in Germany.
Warning: These citations may not always be 100% accurate.