Cita APA

Judy, W. H., Jackobs, J. A., & Engelbrecht-Wiggans, E. A. (1981). International soybean variety experiment: Sixth report of results. Urbana, Illinois: College of Agriculture, University of Illinois at Urbana Champaign.

Citación estilo Chicago

Judy, William H., Joseph Alden Jackobs, y E. A. Engelbrecht-Wiggans. International Soybean Variety Experiment: Sixth Report of Results. Urbana, Illinois: College of Agriculture, University of Illinois at Urbana Champaign, 1981.

Cita MLA

Judy, William H., Joseph Alden Jackobs, y E. A. Engelbrecht-Wiggans. International Soybean Variety Experiment: Sixth Report of Results. Urbana, Illinois: College of Agriculture, University of Illinois at Urbana Champaign, 1981.