APA (7th ed.) Citation

Chica. (1987). Cristina professora. Porto Editora.

Chicago Style (17th ed.) Citation

Chica. Cristina Professora. Porto Editora, 1987.

MLA (8th ed.) Citation

Chica. Cristina Professora. Porto Editora, 1987.

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