APA (7th ed.) Citation

Pieper, C., & Pieper, t. e. i. C. (2009). Catarina, o urso e Pedro (2<U+00AA> ed.). Kalandraka.

Chicago Style (17th ed.) Citation

Pieper, Christiane, and texto e il. Christiane Pieper. Catarina, O Urso E Pedro. 2<U+00AA> ed. Kalandraka, 2009.

MLA (8th ed.) Citation

Pieper, Christiane, and texto e il. Christiane Pieper. Catarina, O Urso E Pedro. 2<U+00AA> ed. Kalandraka, 2009.