Não informado. (1917). Journal of the Department of Agriculture. University of Puerto Rico.
Style de citation Chicago (17e éd.)Não informado. Journal of the Department of Agriculture. Rio Piedras, Porto Rico: University of Puerto Rico, 1917.
Style de citation MLA (8e éd.)Não informado. Journal of the Department of Agriculture. University of Puerto Rico, 1917.
Attention : ces citations peuvent ne pas être correctes à 100%.