Não informado. (1926). Collected papers. University of Puerto Rico, School of Tropical Medicine.
Chicago-Zitierstil (17. Ausg.)Não informado. Collected Papers. San Juan: University of Puerto Rico, School of Tropical Medicine, 1926.
MLA-Zitierstil (8. Ausg.)Não informado. Collected Papers. University of Puerto Rico, School of Tropical Medicine, 1926.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.