APA (7th ed.) Citation

Thornton, M. K. (1953). Anhydrous ammonia as a fertilizer. Texas Agricultural Extension Service.

Chicago Style (17th ed.) Citation

Thornton, M. K. Anhydrous Ammonia as a Fertilizer. College Station, Texas: Texas Agricultural Extension Service, 1953.

MLA (9th ed.) Citation

Thornton, M. K. Anhydrous Ammonia as a Fertilizer. Texas Agricultural Extension Service, 1953.