APA

Döring M., Francis H. G., Helmy R., Herzog U. & Ziffer J. (2009). Wendy 48. Berlin: Kiddinx.

Chicago

Döring Manja, Francis H G, Helmy Ranja, Herzog Ulli and Ziffer Julia. 2009. Wendy 48. Berlin: Kiddinx.

Harvard

Döring M., Francis H. G., Helmy R., Herzog U. and Ziffer J. (2009). Wendy 48. Berlin: Kiddinx.

MLA

Döring Manja, Francis H G, Helmy Ranja, Herzog Ulli and Ziffer Julia. Wendy 48. Berlin: Kiddinx. 2009.