APA引文

Cremona, M., Monar, J., & Poli, S. (2011). The external dimension of the European Union's area of freedom, security and justice. P.I.E. Peter Lang.

芝加哥风格引文

Cremona, Marise, Joerg Monar, 与 Sara Poli. The External Dimension of the European Union's Area of Freedom, Security and Justice. Brussels, [Belguim]: P.I.E. Peter Lang, 2011.

MLA引文

Cremona, Marise, et al. The External Dimension of the European Union's Area of Freedom, Security and Justice. P.I.E. Peter Lang, 2011.