Não informado. (1926). Collected papers. University of Puerto Rico, School of Tropical Medicine.
Chicagoスタイル(17版)引用形式Não informado. Collected Papers. San Juan: University of Puerto Rico, School of Tropical Medicine, 1926.
MLA(8版)引用形式Não informado. Collected Papers. University of Puerto Rico, School of Tropical Medicine, 1926.
警告: この引用は必ずしも正確ではありません.