APA (7th ed.) Citation

Ridges, E. W., & Keith, A. B. (1939). Constitutional law (7th ed.). Stevens and sons, limited.

Chicago Style (17th ed.) Citation

Ridges, Edward Wavell, and Arthur Berriedale Keith. Constitutional Law. 7th ed. London: Stevens and sons, limited, 1939.

MLA (8th ed.) Citation

Ridges, Edward Wavell, and Arthur Berriedale Keith. Constitutional Law. 7th ed. Stevens and sons, limited, 1939.