Παραπομπή σε μορφή APA (7η εκδ.)

Hacker, A. (1973). The study of politics: The Western tradition and American origins (2d ed.). McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hacker, Andrew. The Study of Politics: The Western Tradition and American Origins. 2d ed. New York: McGraw-Hill, 1973.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hacker, Andrew. The Study of Politics: The Western Tradition and American Origins. 2d ed. McGraw-Hill, 1973.