Παραπομπή σε μορφή APA (7η εκδ.)

Freeman, E. A. (1876). General sketch of history: Adapted for American students (New ed. rev.). Henry Holt and Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Freeman, Edward Augustus. General Sketch of History: Adapted for American Students. New ed. rev. New York: Henry Holt and Co., 1876.

Παραπομπή σε μορφή MLA (8th εκδ.)

Freeman, Edward Augustus. General Sketch of History: Adapted for American Students. New ed. rev. Henry Holt and Co., 1876.