Erlbruch, W. (2006). The miracle of the bears. Europa Editions.
Cita Chicago (17th ed.)Erlbruch, Wolf. The Miracle of the Bears. New York, N.Y: Europa Editions, 2006.
Cita MLA (9th ed.)Erlbruch, Wolf. The Miracle of the Bears. Europa Editions, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.