Cita APA (7a ed.)

Cromwell, O., & Carlyle, T. (1903). Oliver Cromwell's, letters and speeches: 1. Chapman and Hall.

Cita Chicago Style (17a ed.)

Cromwell, Oliver, y Thomas Carlyle. Oliver Cromwell's, Letters and Speeches: 1. London: Chapman and Hall, 1903.

Cita MLA (9a ed.)

Cromwell, Oliver, y Thomas Carlyle. Oliver Cromwell's, Letters and Speeches: 1. Chapman and Hall, 1903.