Cita APA (7a ed.)

Penn, W., & Murphy, A. R. (2012). The Political Writings of William Penn. Liberty Fund Inc..

Cita Chicago Style (17a ed.)

Penn, William, y Andrew R. Murphy. The Political Writings of William Penn. Indianapolis: Liberty Fund Inc., 2012.

Cita MLA (8a ed.)

Penn, William, y Andrew R. Murphy. The Political Writings of William Penn. Liberty Fund Inc., 2012.