APA (7th ed.) Citation

Elton, G. R. (1970). The practice of history (3rd impression.). The Fontana Library.

Chicago Style (17th ed.) Citation

Elton, G. R. The Practice of History. 3rd impression. London [etc.]: The Fontana Library, 1970.

MLA (9th ed.) Citation

Elton, G. R. The Practice of History. 3rd impression. The Fontana Library, 1970.

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