Παραπομπή σε μορφή APA (7η εκδ.)

Lefever, E. W. (1970). Spear and scepter: Army, police, and politics in tropical Africa. Brookings Institution.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lefever, Ernest W. Spear and Scepter: Army, Police, and Politics in Tropical Africa. Washington: Brookings Institution, 1970.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lefever, Ernest W. Spear and Scepter: Army, Police, and Politics in Tropical Africa. Brookings Institution, 1970.