Cita APA

Wedin, W. F., & Fales, S. L. (2009). Grassland: Quietness and strength for a new american agriculture. Estados Unidos de América: American Society of Agronomy, Inc. ; Crop Science Society of America, Inc. Soil Science Society of America, Inc..

Citación estilo Chicago

Wedin, Walter F.,, y Steven L. Fales. Grassland: Quietness and Strength for a New American Agriculture. Estados Unidos de América: American Society of Agronomy, Inc. ; Crop Science Society of America, Inc. Soil Science Society of America, Inc., 2009.

Cita MLA

Wedin, Walter F.,, y Steven L. Fales. Grassland: Quietness and Strength for a New American Agriculture. Estados Unidos de América: American Society of Agronomy, Inc. ; Crop Science Society of America, Inc. Soil Science Society of America, Inc., 2009.