APA (7th ed.) Citation

Elton, G. R. (1984). Herbert Butterfield and the study of history. The historical journal.

Chicago Style (17th ed.) Citation

Elton, G. R. "Herbert Butterfield and the Study of History." The Historical Journal 1984.

MLA (8th ed.) Citation

Elton, G. R. "Herbert Butterfield and the Study of History." The Historical Journal, 1984.

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