Hanstein, O. v. (1924). The world of the incas: A socialistic state of the past. Translated by Anna Barwell (2a. ed.). George Allen & Unwin Ltd.
Cita Chicago (17th ed.)Hanstein, Otfrid von. The World of the Incas: A Socialistic State of the Past. Translated by Anna Barwell. 2a. ed. Londres: George Allen & Unwin Ltd, 1924.
Cita MLA (9th ed.)Hanstein, Otfrid von. The World of the Incas: A Socialistic State of the Past. Translated by Anna Barwell. 2a. ed. George Allen & Unwin Ltd, 1924.
Atenció: Aquestes cites poden no estar 100% correctes.