Cita APA (7a ed.)
Nickel, J. (1983). Agricultural research management. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Nickel, JL. Agricultural Research Management. International Center for Tropical Agriculture, 1983.
Cita MLA (9a ed.)
Nickel, JL. Agricultural Research Management. International Center for Tropical Agriculture, 1983.
Precaución: Estas citas no son 100% exactas.