APA (7th ed.) Citation

Blalock, J., & Metzer, R. B. (1989). Cotton production in the Blackland Prairie and Grand Prairie ([1989 revision].). Texas Agricultural Extension Service.

Chicago Style (17th ed.) Citation

Blalock, James, and Robert B. Metzer. Cotton Production in the Blackland Prairie and Grand Prairie. [1989 revision]. College Station, Texas: Texas Agricultural Extension Service, 1989.

MLA (9th ed.) Citation

Blalock, James, and Robert B. Metzer. Cotton Production in the Blackland Prairie and Grand Prairie. [1989 revision]. Texas Agricultural Extension Service, 1989.