Παραπομπή σε μορφή APA (7η εκδ.)

Mitchell, S. A. (1863). A system of modern geography: Comprising a description of the present state of the world, and its five great divisions, America, Europe, Asia, Africa, and Oceanica (38th ed.). E.H. Butler.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mitchell, S. Augustus. A System of Modern Geography: Comprising a Description of the Present State of the World, and Its Five Great Divisions, America, Europe, Asia, Africa, and Oceanica. 38th ed. Philadelphia: E.H. Butler, 1863.

Παραπομπή σε μορφή MLA (8th εκδ.)

Mitchell, S. Augustus. A System of Modern Geography: Comprising a Description of the Present State of the World, and Its Five Great Divisions, America, Europe, Asia, Africa, and Oceanica. 38th ed. E.H. Butler, 1863.