APA (7th ed.) Citation

Acton, J. E. E. D. A. A Lecture on the Study of History.

Chicago Style (17th ed.) Citation

Acton, John Emerich Edward Dalberg Acton. A Lecture on the Study of History.

MLA (9th ed.) Citation

Acton, John Emerich Edward Dalberg Acton. A Lecture on the Study of History.

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