Não informado. (1978). Quarterly Bibliography of Major Tropical Diseases. National Library of Medicine.
Cita Chicago Style (17a ed.)Não informado. Quarterly Bibliography of Major Tropical Diseases. Bethesda, Md: National Library of Medicine, 1978.
Cita MLA (8a ed.)Não informado. Quarterly Bibliography of Major Tropical Diseases. National Library of Medicine, 1978.
Precaución: Estas citas no son 100% exactas.