APA (7th ed.) Citation

Haddock, B. A. (1980). An introduction to historical thought. E. Arnold.

Chicago Style (17th ed.) Citation

Haddock, B. A. An Introduction to Historical Thought. London: E. Arnold, 1980.

MLA (9th ed.) Citation

Haddock, B. A. An Introduction to Historical Thought. E. Arnold, 1980.

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