Não informado. (1952). Arkansas Farm Research. Arkansas Agricultural Experiment Station.
Cita Chicago Style (17a ed.)Não informado. Arkansas Farm Research. Fayetteville, Ark: Arkansas Agricultural Experiment Station, 1952.
Cita MLA (8a ed.)Não informado. Arkansas Farm Research. Arkansas Agricultural Experiment Station, 1952.
Precaución: Estas citas no son 100% exactas.