Cita APA (7a ed.)

Boller, P. F., & Tilford, E. J. (1961). This is our Nation. Webster Pub. Co.

Cita Chicago Style (17a ed.)

Boller, Paul F., y E. Jean Tilford. This Is Our Nation. St. Louis: Webster Pub. Co, 1961.

Cita MLA (8a ed.)

Boller, Paul F., y E. Jean Tilford. This Is Our Nation. Webster Pub. Co, 1961.