APA (7th ed.) Citation

Pascual K., P., & Ibañez, W. Castellano 4. Arrayán Editores.

Chicago Style (17th ed.) Citation

Pascual K., Patricia, and W. Ibañez. Castellano 4. Santiago de Chile: Arrayán Editores.

MLA (9th ed.) Citation

Pascual K., Patricia, and W. Ibañez. Castellano 4. Arrayán Editores.

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