APA (7th ed.) Citation

Fraps, G. S., & Asbury, S. E. (1932). Commercial fertilizers in 1931-32 and their uses. Texas Agricultural Experiment Station.

Chicago Style (17th ed.) Citation

Fraps, G. S., and S. E. Asbury. Commercial Fertilizers in 1931-32 and Their Uses. College Station, Tex.: Texas Agricultural Experiment Station, 1932.

MLA (9th ed.) Citation

Fraps, G. S., and S. E. Asbury. Commercial Fertilizers in 1931-32 and Their Uses. Texas Agricultural Experiment Station, 1932.