APA

Jeff Kinney, . (2019). Ruperts Tagebuch. : Baumhaus.

Chicago

Jeff Kinney, . 2019. Ruperts Tagebuch. : Baumhaus.

Harvard

Jeff Kinney, . (2019). Ruperts Tagebuch. : Baumhaus.

MLA

Jeff Kinney, . Ruperts Tagebuch. : Baumhaus. 2019.