Cita APA

Whigham, D. K. (1976). International soybean variety experiment: Second report of results. Urbana, Illinois: College of Agriculture, University of Illinois at Urbana Champaign.

Citación estilo Chicago

Whigham, David Keith. International Soybean Variety Experiment: Second Report of Results. Urbana, Illinois: College of Agriculture, University of Illinois at Urbana Champaign, 1976.

Cita MLA

Whigham, David Keith. International Soybean Variety Experiment: Second Report of Results. Urbana, Illinois: College of Agriculture, University of Illinois at Urbana Champaign, 1976.