Cita APA (7a ed.)
Beck, D. P. (1994). Screening beans for tolerance to low N availability. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Beck, Douglas P. Screening Beans for Tolerance to Low N Availability. International Center for Tropical Agriculture, 1994.
Cita MLA (9a ed.)
Beck, Douglas P. Screening Beans for Tolerance to Low N Availability. International Center for Tropical Agriculture, 1994.
Precaución: Estas citas no son 100% exactas.