Press, Hourly. "Popular on Twitter: Bloomberg declares Foursquare Day, Challenge.gov’s app contest and Tumblr as a tool for journalists." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 14 Apr. 2011. Web. 8 Dec. 2023.
APA
Press, H. (2011, Apr. 14). Popular on Twitter: Bloomberg declares Foursquare Day, Challenge.gov’s app contest and Tumblr as a tool for journalists. Nieman Journalism Lab. Retrieved December 8, 2023, from https://www.niemanlab.org/2011/04/popular-on-twitter-bloomberg-declares-foursquare-day-challenge-govs-app-contest-and-tumblr-as-a-tool-for-journalists/
Chicago
Press, Hourly. "Popular on Twitter: Bloomberg declares Foursquare Day, Challenge.gov’s app contest and Tumblr as a tool for journalists." Nieman Journalism Lab. Last modified April 14, 2011. Accessed December 8, 2023. https://www.niemanlab.org/2011/04/popular-on-twitter-bloomberg-declares-foursquare-day-challenge-govs-app-contest-and-tumblr-as-a-tool-for-journalists/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2011/04/popular-on-twitter-bloomberg-declares-foursquare-day-challenge-govs-app-contest-and-tumblr-as-a-tool-for-journalists/
| title = Popular on Twitter: Bloomberg declares Foursquare Day, Challenge.gov’s app contest and Tumblr as a tool for journalists
| last = Press
| first = Hourly
| work = [[Nieman Journalism Lab]]
| date = 14 April 2011
| accessdate = 8 December 2023
| ref = {{harvid|Press|2011}}
}}
