APA

Beatty M. T., Petersen G. W., Swindale L. D., Crop Science Society of America. Crop Science Society of America. CSSA, Soil Science Society of America. Soil Science Society of America. SSSA & American Society of Agronomy. American Society of Agronomy. ASA. (19791986). Planning the uses and management of land. Madison, WI: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America.

Chicago

Beatty Marvin T, Petersen Gary W, Swindale Leslie D, Crop Science Society of America. Crop Science Society of America. CSSA, Soil Science Society of America. Soil Science Society of America. SSSA and American Society of Agronomy. American Society of Agronomy. ASA. 19791986. Planning the uses and management of land. Madison, WI: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America.

Harvard

Beatty M. T., Petersen G. W., Swindale L. D., Crop Science Society of America. Crop Science Society of America. CSSA, Soil Science Society of America. Soil Science Society of America. SSSA and American Society of Agronomy. American Society of Agronomy. ASA. (19791986). Planning the uses and management of land. Madison, WI: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America.

MLA

Beatty Marvin T, Petersen Gary W, Swindale Leslie D, Crop Science Society of America. Crop Science Society of America. CSSA, Soil Science Society of America. Soil Science Society of America. SSSA and American Society of Agronomy. American Society of Agronomy. ASA. Planning the uses and management of land. Madison, WI: American Society of Agronomy ; Crop Science Society of America ; Soil Science Society of America. 19791986.