APA aipamena

Darling, S. T., & Smille, W. G. (1921). Studies on hookworm infection in Brazil. The Rockefeller Institute for Medical Research.

Chicago Style aipamena

Darling, Samuel Taylor, and Wilson George Smille. Studies on Hookworm Infection in Brazil. New York: The Rockefeller Institute for Medical Research, 1921.

MLA aipamena

Darling, Samuel Taylor, and Wilson George Smille. Studies on Hookworm Infection in Brazil. The Rockefeller Institute for Medical Research, 1921.