Cita APA (7a ed.)

Doyle, R. (2015). The Guts. Penguin Books.

Cita Chicago Style (17a ed.)

Doyle, Roddy. The Guts. New York: Penguin Books, 2015.

Cita MLA (9a ed.)

Doyle, Roddy. The Guts. Penguin Books, 2015.