Cita APA (7a ed.)

Marques, J. G. (2021). The EU Digital COVID Certificate: Should We Differentiate Between Previously Infected and Fully Vaccinated People? Ordem dos Médicos.

Cita Chicago Style (17a ed.)

Marques, José Gonçalo. The EU Digital COVID Certificate: Should We Differentiate Between Previously Infected and Fully Vaccinated People? Ordem dos Médicos, 2021.

Cita MLA (8a ed.)

Marques, José Gonçalo. The EU Digital COVID Certificate: Should We Differentiate Between Previously Infected and Fully Vaccinated People? Ordem dos Médicos, 2021.