Cita APA (7a ed.)

Clark, W. R. (2007). In defense of self: How the immune system really works. Oxford University Press.

Cita Chicago Style (17a ed.)

Clark, William R. In Defense of Self: How the Immune System Really Works. New York: Oxford University Press, 2007.

Cita MLA (8a ed.)

Clark, William R. In Defense of Self: How the Immune System Really Works. Oxford University Press, 2007.