Cita APA (7a ed.)

Beard, C. A., & Powell, F. Y. (1936). The industrial revolution (2nd ed.). George Allen & Unwin.

Cita Chicago Style (17a ed.)

Beard, Charles A., y F. York Powell. The Industrial Revolution. 2nd ed. London: George Allen & Unwin, 1936.

Cita MLA (9a ed.)

Beard, Charles A., y F. York Powell. The Industrial Revolution. 2nd ed. George Allen & Unwin, 1936.