APA (7th ed.) Citation

Pascual K., P., & Ibáñez Walker, P. (1981). Castellano 4. Arrayán.

Chicago Style (17th ed.) Citation

Pascual K., Patricia, and Paula Ibáñez Walker. Castellano 4. Santiago: Arrayán, 1981.

MLA (9th ed.) Citation

Pascual K., Patricia, and Paula Ibáñez Walker. Castellano 4. Arrayán, 1981.

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