APA (7th ed.) Citation

Harvey, J., & Bather, L. (1964). The British constitution. Macmillan.

Chicago Style (17th ed.) Citation

Harvey, Jack, and L. Bather. The British Constitution. London: Macmillan, 1964.

MLA (9th ed.) Citation

Harvey, Jack, and L. Bather. The British Constitution. Macmillan, 1964.