APA (7e ed.) Bronvermelding

Clark, W. R. (1995). At war within: The double-edged sword of immunity. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Clark, William R. At War Within: The Double-edged Sword of Immunity. New York: Oxford University Press, 1995.

MLA (9e ed.) Bronvermelding

Clark, William R. At War Within: The Double-edged Sword of Immunity. Oxford University Press, 1995.