Maas, David. "In Germany, focusing on this metric let a newspaper increase reader loyalty (and subscribers too)." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 12 Nov. 2019. Web. 25 Jun. 2022.
APA
Maas, D. (2019, Nov. 12). In Germany, focusing on this metric let a newspaper increase reader loyalty (and subscribers too). Nieman Journalism Lab. Retrieved June 25, 2022, from https://www.niemanlab.org/2019/11/in-germany-focusing-on-this-metric-let-a-newspaper-increase-reader-loyalty-and-subscribers-too/
Chicago
Maas, David. "In Germany, focusing on this metric let a newspaper increase reader loyalty (and subscribers too)." Nieman Journalism Lab. Last modified November 12, 2019. Accessed June 25, 2022. https://www.niemanlab.org/2019/11/in-germany-focusing-on-this-metric-let-a-newspaper-increase-reader-loyalty-and-subscribers-too/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2019/11/in-germany-focusing-on-this-metric-let-a-newspaper-increase-reader-loyalty-and-subscribers-too/
| title = In Germany, focusing on this metric let a newspaper increase reader loyalty (and subscribers too)
| last = Maas
| first = David
| work = [[Nieman Journalism Lab]]
| date = 12 November 2019
| accessdate = 25 June 2022
| ref = {{harvid|Maas|2019}}
}}
