Cita APA (7a ed.)

Penn, W., & Murphy, A. R. (2002). The political writings of William Penn. Liberty Fund.

Cita Chicago Style (17a ed.)

Penn, William, y Andrew R. Murphy. The Political Writings of William Penn. Indianapolis: Liberty Fund, 2002.

Cita MLA (9a ed.)

Penn, William, y Andrew R. Murphy. The Political Writings of William Penn. Liberty Fund, 2002.