Cita APA (7th ed.)
HILL, J. (1940). Germs and the man. Putnam.
Cita Chicago (17th ed.)
HILL, Justina. Germs and the Man. New York: Putnam, 1940.
Cita MLA (9th ed.)
HILL, Justina. Germs and the Man. Putnam, 1940.
Atenció: Aquestes cites poden no estar 100% correctes.