Não informado. (1926). Collected papers. University of Puerto Rico, School of Tropical Medicine.
Cita Chicago Style (17a ed.)Não informado. Collected Papers. San Juan: University of Puerto Rico, School of Tropical Medicine, 1926.
Cita MLA (8a ed.)Não informado. Collected Papers. University of Puerto Rico, School of Tropical Medicine, 1926.
Precaución: Estas citas no son 100% exactas.