Cita APA (7a ed.)
Ferguson, J. E. (1990). Seed production of Andropogon gayanus. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Ferguson, John E. Seed Production of Andropogon Gayanus. International Center for Tropical Agriculture, 1990.
Cita MLA (9a ed.)
Ferguson, John E. Seed Production of Andropogon Gayanus. International Center for Tropical Agriculture, 1990.
Precaución: Estas citas no son 100% exactas.