Não informado. (1934). Journal of Agriculture of the University of Puerto Rico. University of Puerto Rico, Agricultural Experiment Station.
Style de citation Chicago (17e éd.)Não informado. Journal of Agriculture of the University of Puerto Rico. Rio Piedras, Porto Rico: University of Puerto Rico, Agricultural Experiment Station, 1934.
Style de citation MLA (8e éd.)Não informado. Journal of Agriculture of the University of Puerto Rico. University of Puerto Rico, Agricultural Experiment Station, 1934.
Attention : ces citations peuvent ne pas être correctes à 100%.