Day, Don. "Timewalls and other reader revenue experiments." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 31 Dec. 2018. Web. 26 Feb. 2021.
APA
Day, D. (2018, Dec. 31). Timewalls and other reader revenue experiments. Nieman Journalism Lab. Retrieved February 26, 2021, 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 February 26, 2021. 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 = 26 February 2021
| ref = {{harvid|Day|2018}}
}}
