Andersen, Michael. "Four crowdsourcing lessons from the Guardian’s (spectacular) expenses-scandal experiment." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 23 Jun. 2009. Web. 22 Feb. 2019.
APA
Andersen, M. (2009, Jun. 23). Four crowdsourcing lessons from the Guardian’s (spectacular) expenses-scandal experiment. Nieman Journalism Lab. Retrieved February 22, 2019, from http://www.niemanlab.org/2009/06/four-crowdsourcing-lessons-from-the-guardians-spectacular-expenses-scandal-experiment/
Chicago
Andersen, Michael. "Four crowdsourcing lessons from the Guardian’s (spectacular) expenses-scandal experiment." Nieman Journalism Lab. Last modified June 23, 2009. Accessed February 22, 2019. http://www.niemanlab.org/2009/06/four-crowdsourcing-lessons-from-the-guardians-spectacular-expenses-scandal-experiment/.
Wikipedia
{{cite web
| url = http://www.niemanlab.org/2009/06/four-crowdsourcing-lessons-from-the-guardians-spectacular-expenses-scandal-experiment/
| title = Four crowdsourcing lessons from the Guardian’s (spectacular) expenses-scandal experiment
| last = Andersen
| first = Michael
| work = [[Nieman Journalism Lab]]
| date = 23 June 2009
| accessdate = 22 February 2019
| ref = {{harvid|Andersen|2009}}
}}