Cita APA (7a ed.)

Hanks, J. E., Ritchie, J. T., & Mickelson, S. H. (1991). Modeling plant and soil systems. American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America.

Cita Chicago Style (17a ed.)

Hanks, John E., J. T. Ritchie, y S. H. Mickelson. Modeling Plant and Soil Systems. Madison: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America, 1991.

Cita MLA (8a ed.)

Hanks, John E., et al. Modeling Plant and Soil Systems. American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America, 1991.