Cita APA (7a ed.)

Smith, C. W., & Frederiksen, R. A. (2000). SORGHUM: Origin, history, technology, and production. Wiley.

Cita Chicago Style (17a ed.)

Smith, C. Wayne, y Richard A. Frederiksen. SORGHUM: Origin, History, Technology, and Production. New York: Wiley, 2000.

Cita MLA (8a ed.)

Smith, C. Wayne, y Richard A. Frederiksen. SORGHUM: Origin, History, Technology, and Production. Wiley, 2000.