APA (7th ed.) Citation

Del Valle V., M. I. (1993). Castellano 1. Arrayán.

Chicago Style (17th ed.) Citation

Del Valle V., María Isabel. Castellano 1. Santiago: Arrayán, 1993.

MLA (9th ed.) Citation

Del Valle V., María Isabel. Castellano 1. Arrayán, 1993.

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