APA

Jeff Kinney, . (2008). Gregs Tagebuch. : Baumhaus.

Chicago

Jeff Kinney, . 2008. Gregs Tagebuch. : Baumhaus.

Harvard

Jeff Kinney, . (2008). Gregs Tagebuch. : Baumhaus.

MLA

Jeff Kinney, . Gregs Tagebuch. : Baumhaus. 2008.