APA (7th ed.) Citation

Prince, R., & Ruf, B. (2006). Jokes & cartoons. Jrp/Ringier.

Chicago Style (17th ed.) Citation

Prince, Richard, and Beatrix Ruf. Jokes & Cartoons. Zurich: Jrp/Ringier, 2006.

MLA (9th ed.) Citation

Prince, Richard, and Beatrix Ruf. Jokes & Cartoons. Jrp/Ringier, 2006.