APA (7th ed.) Citation

Seufert, E. B. (2014). Freemium economics: Leveraging analytics and user segmentation to drive revenue. MK.

Chicago Style (17th ed.) Citation

Seufert, Eric Benjamin. Freemium Economics: Leveraging Analytics and User Segmentation to Drive Revenue. Waltham, Massachusetts: MK, 2014.

MLA (9th ed.) Citation

Seufert, Eric Benjamin. Freemium Economics: Leveraging Analytics and User Segmentation to Drive Revenue. MK, 2014.