Langeveld, Martin. "Has newspaper advertising reached rock bottom? Probably not.." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 22 Sep. 2009. Web. 6 Dec. 2023.
APA
Langeveld, M. (2009, Sep. 22). Has newspaper advertising reached rock bottom? Probably not.. Nieman Journalism Lab. Retrieved December 6, 2023, from https://www.niemanlab.org/2009/09/has-newspaper-advertising-reached-rock-bottom-probably-not/
Chicago
Langeveld, Martin. "Has newspaper advertising reached rock bottom? Probably not.." Nieman Journalism Lab. Last modified September 22, 2009. Accessed December 6, 2023. https://www.niemanlab.org/2009/09/has-newspaper-advertising-reached-rock-bottom-probably-not/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2009/09/has-newspaper-advertising-reached-rock-bottom-probably-not/
| title = Has newspaper advertising reached rock bottom? Probably not.
| last = Langeveld
| first = Martin
| work = [[Nieman Journalism Lab]]
| date = 22 September 2009
| accessdate = 6 December 2023
| ref = {{harvid|Langeveld|2009}}
}}
