APA (7th ed.) Citation

Heichel, G., & Francis, C. (1971). Efficiency of energy use in producing maize with different technologies. International Center for Tropical Agriculture.

Chicago Style (17th ed.) Citation

Heichel, GH, and C.A Francis. Efficiency of Energy Use in Producing Maize with Different Technologies. International Center for Tropical Agriculture, 1971.

MLA (8th ed.) Citation

Heichel, GH, and C.A Francis. Efficiency of Energy Use in Producing Maize with Different Technologies. International Center for Tropical Agriculture, 1971.

IICA/CATIE Citation

Heichel, G., ; Francis, C. 1971. Efficiency of energy use in producing maize with different technologies. International Center for Tropical Agriculture.