Cita APA (7a ed.)

Guild, E., Peers, S., & Tomkin, J. (2019). The EU citizenship directive: A commentary (2nd ed., imp. 1.). Oxford University Press.

Cita Chicago Style (17a ed.)

Guild, Elspeth, Steve Peers, y Jonathan Tomkin. The EU Citizenship Directive: A Commentary. 2nd ed., imp. 1. Oxford: Oxford University Press, 2019.

Cita MLA (9a ed.)

Guild, Elspeth, et al. The EU Citizenship Directive: A Commentary. 2nd ed., imp. 1. Oxford University Press, 2019.