Cita APA (7a ed.)

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.

Cita Chicago Style (17a ed.)

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.

Cita MLA (8a ed.)

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.