Cita APA (7a ed.)

Hanks, J., & Ritchie, J. T. (1991). Modeling plant and soil systems. ASACSSASSSA.

Cita Chicago Style (17a ed.)

Hanks, J., y J. T. Ritchie. Modeling Plant and Soil Systems. Madison, Wisconsin: ASACSSASSSA, 1991.

Cita MLA (8a ed.)

Hanks, J., y J. T. Ritchie. Modeling Plant and Soil Systems. ASACSSASSSA, 1991.