APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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