APA (7th ed.) Citation

Elliott, F., & Summerskill, M. (1966). A Dictionary of Politics (5. ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Elliott, Florence, and Michael Summerskill. A Dictionary of Politics. 5. ed. Harmondsworth: Penguin Books, 1966.

MLA (9th ed.) Citation

Elliott, Florence, and Michael Summerskill. A Dictionary of Politics. 5. ed. Penguin Books, 1966.