Cita APA (7a ed.)

Becker, C. L., & Cooper, K. S. (1984). Modern history. Silver Burdett.

Cita Chicago Style (17a ed.)

Becker, Carl L., y Kenneth S. Cooper. Modern History. Morristown, NJ [u.a.]: Silver Burdett, 1984.

Cita MLA (9a ed.)

Becker, Carl L., y Kenneth S. Cooper. Modern History. Silver Burdett, 1984.