Cita APA (7th ed.)
Paul, W. E. (2015). Immunity. Johns Hopkins University Press.
Cita Chicago (17th ed.)
Paul, William E. Immunity. Baltimore, Maryland: Johns Hopkins University Press, 2015.
Cita MLA (9th ed.)
Paul, William E. Immunity. Johns Hopkins University Press, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.