APA (7th ed.) Citation

Soares, L. D., & Sousa, i. A. d. (2015). O planeta azul. Porto Editora.

Chicago Style (17th ed.) Citation

Soares, Luísa Ducla, and il. Aurélie de Sousa. O Planeta Azul. Porto Editora, 2015.

MLA (8th ed.) Citation

Soares, Luísa Ducla, and il. Aurélie de Sousa. O Planeta Azul. Porto Editora, 2015.

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