Cita APA (7th ed.)

Keen, S. (1991). Fire in the belly: On being a man. Bantam Books.

Cita Chicago (17th ed.)

Keen, Sam. Fire in the Belly: On Being a Man. New York: Bantam Books, 1991.

Cita MLA (9th ed.)

Keen, Sam. Fire in the Belly: On Being a Man. Bantam Books, 1991.