Day, Don. "Timewalls and other reader revenue experiments." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 31 Dec. 2018. Web. 3 Dec. 2022.
APA
Day, D. (2018, Dec. 31). Timewalls and other reader revenue experiments. Nieman Journalism Lab. Retrieved December 3, 2022, from https://www.niemanlab.org/2018/12/timewalls-and-other-reader-revenue-experiments/
Chicago
Day, Don. "Timewalls and other reader revenue experiments." Nieman Journalism Lab. Last modified December 31, 2018. Accessed December 3, 2022. https://www.niemanlab.org/2018/12/timewalls-and-other-reader-revenue-experiments/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2018/12/timewalls-and-other-reader-revenue-experiments/
| title = Timewalls and other reader revenue experiments
| last = Day
| first = Don
| work = [[Nieman Journalism Lab]]
| date = 31 December 2018
| accessdate = 3 December 2022
| ref = {{harvid|Day|2018}}
}}
