APA (7th ed.) Citation

Parsons M., D. B. (1981). Trigo, cebada, avena. Trillas.

Chicago Style (17th ed.) Citation

Parsons M., David B. Trigo, Cebada, Avena. México: Trillas, 1981.

MLA (9th ed.) Citation

Parsons M., David B. Trigo, Cebada, Avena. Trillas, 1981.

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