Day, Don. "Timewalls and other reader revenue experiments." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 31 Dec. 2018. Web. 11 Aug. 2020.
APA
Day, D. (2018, Dec. 31). Timewalls and other reader revenue experiments. Nieman Journalism Lab. Retrieved August 11, 2020, 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 August 11, 2020. 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 = 11 August 2020
| ref = {{harvid|Day|2018}}
}}
