APA (7th ed.) Citation

(1989). Trigo, cebada, avena (2a. ed.). Trillas.

Chicago Style (17th ed.) Citation

Trigo, Cebada, Avena. 2a. ed. Ciudad de México: Trillas, 1989.

MLA (9th ed.) Citation

Trigo, Cebada, Avena. 2a. ed. Trillas, 1989.

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