Hagar, Nick. "How A/B testing can (and can’t) improve your headline writing." Nieman Journalism Lab. Nieman Foundation for Journalism at Harvard, 18 Oct. 2021. Web. 26 Jul. 2024.
APA
Hagar, N. (2021, Oct. 18). How A/B testing can (and can’t) improve your headline writing. Nieman Journalism Lab. Retrieved July 26, 2024, from https://www.niemanlab.org/2021/10/how-a-b-testing-can-and-cant-improve-your-headline-writing/
Chicago
Hagar, Nick. "How A/B testing can (and can’t) improve your headline writing." Nieman Journalism Lab. Last modified October 18, 2021. Accessed July 26, 2024. https://www.niemanlab.org/2021/10/how-a-b-testing-can-and-cant-improve-your-headline-writing/.
Wikipedia
{{cite web
| url = https://www.niemanlab.org/2021/10/how-a-b-testing-can-and-cant-improve-your-headline-writing/
| title = How A/B testing can (and can’t) improve your headline writing
| last = Hagar
| first = Nick
| work = [[Nieman Journalism Lab]]
| date = 18 October 2021
| accessdate = 26 July 2024
| ref = {{harvid|Hagar|2021}}
}}
