APA način citiranja (7. izdanje)
Barcelos, P., & De Angelis, G. (2013). The long quest for identity: Political identity and fundamental rights protection in the European Union. Peter Lang.
Čikaški stil citiranja (17. izdanje)
Barcelos, Paulo, i Gabriele De Angelis. The Long Quest for Identity: Political Identity and Fundamental Rights Protection in the European Union. Bern ; New York: Peter Lang, 2013.
MLA način citiranja (9. izdanje)
Barcelos, Paulo, i Gabriele De Angelis. The Long Quest for Identity: Political Identity and Fundamental Rights Protection in the European Union. Peter Lang, 2013.
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