Παραπομπή σε μορφή APA (7η εκδ.)

Riggs, F. W. (1968). The crisis of legitimacy: A challenge to administrative theory. Philippine Journal of Public Administration.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Riggs, Fred W. "The Crisis of Legitimacy: A Challenge to Administrative Theory." Philippine Journal of Public Administration 1968.

Παραπομπή σε μορφή MLA (9th εκδ.)

Riggs, Fred W. "The Crisis of Legitimacy: A Challenge to Administrative Theory." Philippine Journal of Public Administration, 1968.