Langeveld, Martin. "Wolfram Alpha and other ways to enhance database journalism." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 11 May. 2009. Web. 24 Nov. 2023.
APA
Langeveld, M. (2009, May. 11). Wolfram Alpha and other ways to enhance database journalism. Nieman Journalism Lab. Retrieved November 24, 2023, from https://www.niemanlab.org/2009/05/wolfram-alpha-other-ways-enhance-database-journalism/
Chicago
Langeveld, Martin. "Wolfram Alpha and other ways to enhance database journalism." Nieman Journalism Lab. Last modified May 11, 2009. Accessed November 24, 2023. https://www.niemanlab.org/2009/05/wolfram-alpha-other-ways-enhance-database-journalism/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2009/05/wolfram-alpha-other-ways-enhance-database-journalism/
| title = Wolfram Alpha and other ways to enhance database journalism
| last = Langeveld
| first = Martin
| work = [[Nieman Journalism Lab]]
| date = 11 May 2009
| accessdate = 24 November 2023
| ref = {{harvid|Langeveld|2009}}
}}
