APA (7th ed.) Citation

McManus, E. J., & Helfman, T. (2014). Liberty and union: A constitutional history of the United States. Routledge.

Chicago Style (17th ed.) Citation

McManus, Edgar J., and Tara Helfman. Liberty and Union: A Constitutional History of the United States. New York, NY: Routledge, 2014.

MLA (9th ed.) Citation

McManus, Edgar J., and Tara Helfman. Liberty and Union: A Constitutional History of the United States. Routledge, 2014.