APA (7th ed.) Citation

Fidelia Cascini, Francesco Andrea Causio, Giovanna Failla, Andriy Melnyk, Valeria Puleo, Luca Regazzi, . . . Walter Ricciardi. (2021). Emerging Issues From a Global Overview of Digital Covid-19 Certificate Initiatives. Frontiers Media S.A..

Chicago Style (17th ed.) Citation

Fidelia Cascini, Francesco Andrea Causio, Giovanna Failla, Andriy Melnyk, Valeria Puleo, Luca Regazzi, Walter Ricciardi, and Walter Ricciardi. Emerging Issues From a Global Overview of Digital Covid-19 Certificate Initiatives. Frontiers Media S.A., 2021.

MLA (9th ed.) Citation

Fidelia Cascini, et al. Emerging Issues From a Global Overview of Digital Covid-19 Certificate Initiatives. Frontiers Media S.A., 2021.