Παραπομπή σε μορφή APA (7η εκδ.)

Heyking, J. v., & Heilke, T. W. (2013). The primacy of persons in politics: Empiricism and political philosophy. Catholic University of America Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Heyking, John von, και Thomas W. Heilke. The Primacy of Persons in Politics: Empiricism and Political Philosophy. Washington, District of Columbia: Catholic University of America Press, 2013.

Παραπομπή σε μορφή MLA (9th εκδ.)

Heyking, John von, και Thomas W. Heilke. The Primacy of Persons in Politics: Empiricism and Political Philosophy. Catholic University of America Press, 2013.