Cita APA (7a ed.)

Bryce, J. B. (1920). The American commonwealth. Macmillan.

Cita Chicago Style (17a ed.)

Bryce, James Bryce. The American Commonwealth. New York: Macmillan, 1920.

Cita MLA (8a ed.)

Bryce, James Bryce. The American Commonwealth. Macmillan, 1920.