Cita APA (7a ed.)

Guild, E. (2009). Security and migration in the 21st century (1st published.). Polity.

Cita Chicago Style (17a ed.)

Guild, Elspeth. Security and Migration in the 21st Century. 1st published. Cambridge [etc.]: Polity, 2009.

Cita MLA (9a ed.)

Guild, Elspeth. Security and Migration in the 21st Century. 1st published. Polity, 2009.