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. 4 Oct. 2024.
APA
Hagar, N. (2021, Oct. 18). How A/B testing can (and can’t) improve your headline writing. Nieman Journalism Lab. Retrieved October 4, 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 October 4, 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 = 4 October 2024
| ref = {{harvid|Hagar|2021}}
}}
