APA (7th ed.) Citation

Box, J. (1974). Nitrogen and crop production. Texas Agricultural Extension Service, Texas A&M University System.

Chicago Style (17th ed.) Citation

Box, John. Nitrogen and Crop Production. College Station: Texas Agricultural Extension Service, Texas A&M University System, 1974.

MLA (9th ed.) Citation

Box, John. Nitrogen and Crop Production. Texas Agricultural Extension Service, Texas A&M University System, 1974.

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