Παραπομπή σε μορφή APA (7η εκδ.)

Posner, R. A. (1999). An affair of state: The investigation, impeachment, and trial of President Clinton. Harvard University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Posner, Richard A. An Affair of State: The Investigation, Impeachment, and Trial of President Clinton. Cambridge (Mass.) ; London: Harvard University Press, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Posner, Richard A. An Affair of State: The Investigation, Impeachment, and Trial of President Clinton. Harvard University Press, 1999.