Cita APA (7th ed.)

SOUTHWICK, F. S. (2003). Infectious diseases in 30 days. McGraw-Hill.

Cita Chicago (17th ed.)

SOUTHWICK, Frederick S. Infectious Diseases in 30 Days. New York: McGraw-Hill, 2003.

Cita MLA (9th ed.)

SOUTHWICK, Frederick S. Infectious Diseases in 30 Days. McGraw-Hill, 2003.