Cita APA (7a ed.)
Smith, J., Walker, P., & Oyewole, B. (1991). Representativeness of farmers and sites in onfarm trials.
Cita Chicago Style (17a ed.)
Smith, J., P. Walker, y B. Oyewole. Representativeness of Farmers and Sites in Onfarm Trials. 1991.
Cita MLA (9a ed.)
Smith, J., et al. Representativeness of Farmers and Sites in Onfarm Trials. 1991.
Precaución: Estas citas no son 100% exactas.