Não informado. (1926). Collected papers. University of Puerto Rico, School of Tropical Medicine.
Style de citation Chicago (17e éd.)Não informado. Collected Papers. San Juan: University of Puerto Rico, School of Tropical Medicine, 1926.
Style de citation MLA (8e éd.)Não informado. Collected Papers. University of Puerto Rico, School of Tropical Medicine, 1926.
Attention : ces citations peuvent ne pas être correctes à 100%.