Cita APA (7a ed.)

Crop Science Society of America, Soil Science Society of America, American Society of Agronomy, Olson, R., & Frey, K. (1987). NUTRITIONAL quality of cereal grains: Genetic and agronomic improvement. ASA.

Cita Chicago Style (17a ed.)

Crop Science Society of America, Soil Science Society of America, American Society of Agronomy, R.A Olson, y K.J Frey. NUTRITIONAL Quality of Cereal Grains: Genetic and Agronomic Improvement. Madison, Wis.: ASA, 1987.

Cita MLA (8a ed.)

Crop Science Society of America, et al. NUTRITIONAL Quality of Cereal Grains: Genetic and Agronomic Improvement. ASA, 1987.