Cita APA (7a ed.)
Smithson, J. B., Gridley, H. E., & Youngquist, W. (1994). Second African bean yield and adaptation nursery (AFBYAN II). International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Smithson, James Brady, Howard E. Gridley, y W. Youngquist. Second African Bean Yield and Adaptation Nursery (AFBYAN II). International Center for Tropical Agriculture, 1994.
Cita MLA (9a ed.)
Smithson, James Brady, et al. Second African Bean Yield and Adaptation Nursery (AFBYAN II). International Center for Tropical Agriculture, 1994.
Precaución: Estas citas no son 100% exactas.