O'Donovan, Caroline. "Slowly but surely, advertisers are learning how to track mobile users." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 20 Mar. 2013. Web. 25 Sep. 2021.
APA
O'Donovan, C. (2013, Mar. 20). Slowly but surely, advertisers are learning how to track mobile users. Nieman Journalism Lab. Retrieved September 25, 2021, from https://www.niemanlab.org/2013/03/slowly-but-surely-advertisers-are-learning-how-to-track-mobile-users/
Chicago
O'Donovan, Caroline. "Slowly but surely, advertisers are learning how to track mobile users." Nieman Journalism Lab. Last modified March 20, 2013. Accessed September 25, 2021. https://www.niemanlab.org/2013/03/slowly-but-surely-advertisers-are-learning-how-to-track-mobile-users/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2013/03/slowly-but-surely-advertisers-are-learning-how-to-track-mobile-users/
| title = Slowly but surely, advertisers are learning how to track mobile users
| last = O'Donovan
| first = Caroline
| work = [[Nieman Journalism Lab]]
| date = 20 March 2013
| accessdate = 25 September 2021
| ref = {{harvid|O'Donovan|2013}}
}}
