American Society of Agronomy. (1992). Journal of natural resources and life sciences education. [American Society of Agronomy].
Cita Chicago Style (17a ed.)American Society of Agronomy. Journal of Natural Resources and Life Sciences Education. [Madison, Wis.]: [American Society of Agronomy], 1992.
Cita MLA (9a ed.)American Society of Agronomy. Journal of Natural Resources and Life Sciences Education. [American Society of Agronomy], 1992.
Precaución: Estas citas no son 100% exactas.