APA (7th ed.) Citation

Kawaguchi, Y., & Cruzinha, G. (2011). Bubble boxing. Bickmann.

Chicago Style (17th ed.) Citation

Kawaguchi, Yui, and Gonçalo Cruzinha. Bubble Boxing. Berlin: Bickmann, 2011.

MLA (9th ed.) Citation

Kawaguchi, Yui, and Gonçalo Cruzinha. Bubble Boxing. Bickmann, 2011.

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