APA-referens (7:e uppl.)
Harrison, M. (2012). Contagion: How commerce has spread disease. Yale University Press.
Chicago-referens (17:e uppl.)
Harrison, Mark. Contagion: How Commerce Has Spread Disease. New Haven: Yale University Press, 2012.
MLA-referens (9:e uppl.)
Harrison, Mark. Contagion: How Commerce Has Spread Disease. Yale University Press, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.