Cita APA (7a ed.)

Hargrove, W. L. (1988). Cropping strategies for efficient use of water and nitrogen. American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America.

Cita Chicago Style (17a ed.)

Hargrove, W. L. Cropping Strategies for Efficient Use of Water and Nitrogen. Madison : Madison : Madison: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America, 1988.

Cita MLA (8a ed.)

Hargrove, W. L. Cropping Strategies for Efficient Use of Water and Nitrogen. American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America, 1988.