Cita APA (7a ed.)

Darling, S. T. (1921). Studies on Hookworm Infection in Brazil. The Rockefeller institute.

Cita Chicago Style (17a ed.)

Darling, S. T. Studies on Hookworm Infection in Brazil. New York: The Rockefeller institute, 1921.

Cita MLA (8a ed.)

Darling, S. T. Studies on Hookworm Infection in Brazil. The Rockefeller institute, 1921.