Cita APA (7th ed.)

Hornmoen, H., & Backholm, K. (2018). Social media use in crisis and risk communication: Emergencies, concerns and awareness. Emerald Publishing Limited.

Cita Chicago (17th ed.)

Hornmoen, Harald, i Klas Backholm. Social Media Use in Crisis and Risk Communication: Emergencies, Concerns and Awareness. Bingley, U.K.: Emerald Publishing Limited, 2018.

Cita MLA (9th ed.)

Hornmoen, Harald, i Klas Backholm. Social Media Use in Crisis and Risk Communication: Emergencies, Concerns and Awareness. Emerald Publishing Limited, 2018.