APA (7th ed.) Citation

Hahn, G., & Ramos, R. (2008). Bibi Blocksberg. Ringier.

Chicago Style (17th ed.) Citation

Hahn, Gerhard, and Royce Ramos. Bibi Blocksberg. [Bratislava]: Ringier, 2008.

MLA (9th ed.) Citation

Hahn, Gerhard, and Royce Ramos. Bibi Blocksberg. Ringier, 2008.

Warning: These citations may not always be 100% accurate.