Παραπομπή σε μορφή APA (7η εκδ.)

Ettinger, P. W. (2009). Imaginary lines: Border enforcement and the origins of undocumented immigration, 1882-1930. University of Texas Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ettinger, Patrick W. Imaginary Lines: Border Enforcement and the Origins of Undocumented Immigration, 1882-1930. Austin: University of Texas Press, 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ettinger, Patrick W. Imaginary Lines: Border Enforcement and the Origins of Undocumented Immigration, 1882-1930. University of Texas Press, 2009.