Cita APA (7th ed.)
Bean, F. D. At the Crossroads: Mexico and U.S. Inmigration Policy. Rowman and Littlefield.
Cita Chicago (17th ed.)
Bean, Frank D. At the Crossroads: Mexico and U.S. Inmigration Policy. Lanham, EUA: Rowman and Littlefield.
Cita MLA (9th ed.)
Bean, Frank D. At the Crossroads: Mexico and U.S. Inmigration Policy. Rowman and Littlefield.
Atenció: Aquestes cites poden no estar 100% correctes.