Παραπομπή σε μορφή APA (7η εκδ.)

Hewit, A. F. (1868). Problems of the age: With studies in St. Augustine on kindred topics. Catholic Publication House.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hewit, Augustine F. Problems of the Age: With Studies in St. Augustine on Kindred Topics. New York: Catholic Publication House, 1868.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hewit, Augustine F. Problems of the Age: With Studies in St. Augustine on Kindred Topics. Catholic Publication House, 1868.