APA-referens (7:e uppl.)

Ennis, F. A. (1983). Human immunity to viruses. Academic Press.

Chicago-referens (17:e uppl.)

Ennis, Francis A. Human Immunity to Viruses. New York: Academic Press, 1983.

MLA-referens (9:e uppl.)

Ennis, Francis A. Human Immunity to Viruses. Academic Press, 1983.