Cita APA

Sleper, D. A., & Poehlman, J. M. (2006). Breeding field crops (5.). Iowa, United States of America: Blackwell.

Citación estilo Chicago

Sleper, David Allen, y John Milton Poehlman. Breeding Field Crops. 5. Iowa, United States of America: Blackwell, 2006.

Cita MLA

Sleper, David Allen, y John Milton Poehlman. Breeding Field Crops. 5. Iowa, United States of America: Blackwell, 2006.