APA (7th ed.) Citation

Clark, M., & Teed, P. (1972). Twentieth century, 1906-1960. Hutchinson Educational Ltd.

Chicago Style (17th ed.) Citation

Clark, Michael, and Peter Teed. Twentieth Century, 1906-1960. London: Hutchinson Educational Ltd, 1972.

MLA (8th ed.) Citation

Clark, Michael, and Peter Teed. Twentieth Century, 1906-1960. Hutchinson Educational Ltd, 1972.

Warning: These citations may not always be 100% accurate.