APA (7th ed.) Citation

Penn, W., & Barbour, H. (1991). William Penn on religion and ethics: The emergence of liberal Quakerism.

Chicago Style (17th ed.) Citation

Penn, William, and Hugh Barbour. William Penn on Religion and Ethics: The Emergence of Liberal Quakerism. Lewiston, 1991.

MLA (8th ed.) Citation

Penn, William, and Hugh Barbour. William Penn on Religion and Ethics: The Emergence of Liberal Quakerism. 1991.

Warning: These citations may not always be 100% accurate.