Cita APA (7a ed.)

Duff, J. L. (1960). A. Lincoln: Prairie lawyer. Rinehart.

Cita Chicago Style (17a ed.)

Duff, John L. A. Lincoln: Prairie Lawyer. N.Y.: Rinehart, 1960.

Cita MLA (8a ed.)

Duff, John L. A. Lincoln: Prairie Lawyer. Rinehart, 1960.