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. 22 Mar. 2023.
APA
O'Donovan, C. (2013, Mar. 20). Slowly but surely, advertisers are learning how to track mobile users. Nieman Journalism Lab. Retrieved March 22, 2023, 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 March 22, 2023. 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 = 22 March 2023
| ref = {{harvid|O'Donovan|2013}}
}}
