Cita APA

Valdivia, R., Vidal, V. A., & Sierra, M. (2006). Maize progenitor selection to obtain hybrid seeds by small farmers.

Chicago Style Citation

Valdivia, Roberto, Víctor A. Vidal, i Mauro Sierra. Maize Progenitor Selection to Obtain Hybrid Seeds By Small Farmers. 2006.

Cita MLA

Valdivia, Roberto, Víctor A. Vidal, i Mauro Sierra. Maize Progenitor Selection to Obtain Hybrid Seeds By Small Farmers. 2006.