Cita APA (7a ed.)

Cascini, F., Causio, F. A., Failla, G., Melnyk, A., Puleo, V., Regazzi, L., . . . Ricciardi, W. (2021). Emerging Issues From a Global Overview of Digital Covid-19 Certificate Initiatives. Frontiers Media S.A.

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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