2025:

“From Tweets to Trucks: Vaccine Disinformation and Anti-Government Protest During the 2022 Canadian “Freedom” Convoy.” In Misinformation, Disinformation, and Democracy in the Digital Age: A Canadian Perspective, Shelly Ghai Bajaj and Bessma Momani, eds. University of Toronto Press. Coauthored with Tobias Lemke.

2022:

“Foreign Interference and Social Media Networks: A Relational Approach to Studying Contemporary Russian Disinformation.” In JOGSS: Journal of Global Security Studies 7(2). Co-authored with Tobias Lemke. https://doi.org/10.1093/jogss/ogac004

2020:

“Diplomat or Troll? The Case Against Digital Diplomacy.” In Digital Diplomacy and International Organisation: Autonomy, Legitimacy, and Contestation, Corneliu Bjola and Ruben Zaiotti, eds. Routledge. Coauthored with Tobias Lemke.

2017/18:

“A Master Institution of World Society? Digital Communications Networks and the Changing Dynamics of Transnational Contention.” In International Relations. Coauthored with Tobias Lemke. https://doi.org/10.1177%2F0047117817747666

2016:

“Wedding Imagery and Public Support for Gay Marriage.” In Journal of Homosexuality 63(8): 1041-1051. Coauthored with Paul R. Brewer and David C. Wilson. https://doi.org/10.1080/00918369.2016.1150023

“Interactivity Between Candidates and Citizens on a Social Networking Site: Effects on Perceptions and Vote Intentions.” In Experimental Political Science 3(1): 84-96. Coauthored with Paul R. Brewer, Ruby Harrington, Lindsay H. Hoffman, Philip Edward Jones, and Jennifer L. Lambe. https://doi.org/10.1017/XPS.2014.29

2015:

“Tweets on Television News: The Nature and Effects of Campaign Coverage of Twitter.” In Electronic News 9(4): 257-269. Coauthored with Tyler Lefky and Paul R. Brewer. https://doi.org/10.1177/2F1931243115604884

2013:

“The European Union as a Peace Actor.” In Review of European Studies 5(3), 4-20. Coauthored with Yannis A. Stivachtis and Chris Price. http://dx.doi.org/10.5539/res.v5n3p4

2011:

“The OSCE as a Regional International Society.” In International relations, culture and global finance, 35-60. Akis Kalaitzidis, ed. Athens, Greece: Athens Institute for Education and Research. Coauthored with Yannis A. Stivachtis.

“The Council of Europe: The Institutional Limits of Contemporary European International Society?” In Journal of European Integration 33(2), 157-177. Coauthored with Yannis A. Stivachtis. https://doi.org/10.1080/07036337.2011.543524

Terrorism: historical roots and contemporary forms; The challenge of asymmetrical warfare; Human security: connecting the global and the local; and The global context of security. In Human and state (in)security in a globalized world. Dubuque, IA: Kendall Hunt. Coauthored with Yannis A. Stivachtis.

2010:     Order and justice in international relations. In Human and state (in)security in a globalized world, 105-125. Dubuque, IA: Kendall Hunt. Coauthored with Yannis A. Stivachtis.