Doctor, Ken. "The newsonomics of Why Paywalls Now?." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 7 Mar. 2013. Web. 17 Feb. 2020.
APA
Doctor, K. (2013, Mar. 7). The newsonomics of Why Paywalls Now?. Nieman Journalism Lab. Retrieved February 17, 2020, from https://www.niemanlab.org/2013/03/the-newsonomics-of-why-paywalls-now/
Chicago
Doctor, Ken. "The newsonomics of Why Paywalls Now?." Nieman Journalism Lab. Last modified March 7, 2013. Accessed February 17, 2020. https://www.niemanlab.org/2013/03/the-newsonomics-of-why-paywalls-now/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2013/03/the-newsonomics-of-why-paywalls-now/
| title = The newsonomics of Why Paywalls Now?
| last = Doctor
| first = Ken
| work = [[Nieman Journalism Lab]]
| date = 7 March 2013
| accessdate = 17 February 2020
| ref = {{harvid|Doctor|2013}}
}}
