APA (7th ed.) Citation

Keith, A. B. (1952). The British Cabinet system (2nd ed.). Stevens.

Chicago Style (17th ed.) Citation

Keith, Arthur Berriedale. The British Cabinet System. 2nd ed. London: Stevens, 1952.

MLA (9th ed.) Citation

Keith, Arthur Berriedale. The British Cabinet System. 2nd ed. Stevens, 1952.