Παραπομπή σε μορφή APA (7η εκδ.)

Simpson, S. (1946). Belgium in transition. Philadelphia: American Academy of Political and Social Science.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Simpson, Smith. Belgium in Transition. Philadelphia: American Academy of Political and Social Science, 1946.

Παραπομπή σε μορφή MLA (8th εκδ.)

Simpson, Smith. Belgium in Transition. Philadelphia: American Academy of Political and Social Science, 1946.