Παραπομπή σε μορφή APA (7η εκδ.)

Howell, R., & Tarde, G. d. (1912). Penal philosophy (Translated from the 4th French edition.). Little, Brown, and Co.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Howell, Rapelje., και Gabriel de Tarde. Penal Philosophy. Translated from the 4th French edition. Boston: Little, Brown, and Co, 1912.

Παραπομπή σε μορφή MLA (9th εκδ.)

Howell, Rapelje., και Gabriel de Tarde. Penal Philosophy. Translated from the 4th French edition. Little, Brown, and Co, 1912.