APA

Schaadt S., . (2015). Zendoodle. London: Searchpress.

Chicago

Schaadt Susanne, . 2015. Zendoodle. London: Searchpress.

Harvard

Schaadt S., . (2015). Zendoodle. London: Searchpress.

MLA

Schaadt Susanne, . Zendoodle. London: Searchpress. 2015.