Citazione Stile APA (7a Edizione)

Külz, J., Spitz, A., Abu-Akel, A., Günnemann, S., & West, R. (2022). United States Politicians' Tone Became More Negative with 2016 Primary Campaigns.

Citazione stile Chigago Style (17a edizione)

Külz, Jonathan, Andreas Spitz, Ahmad Abu-Akel, Stephan Günnemann, e Robert West. United States Politicians' Tone Became More Negative with 2016 Primary Campaigns. 2022.

Citatione MLA (9a ed.)

Külz, Jonathan, et al. United States Politicians' Tone Became More Negative with 2016 Primary Campaigns. 2022.