Cita APA (7a ed.)

Portis, C. (1968). True grit. Simon and Schuster.

Cita Chicago Style (17a ed.)

Portis, Charles. True Grit. New York: Simon and Schuster, 1968.

Cita MLA (9a ed.)

Portis, Charles. True Grit. Simon and Schuster, 1968.