APA (7th ed.) Citation

Acton, J. E. E. D. A. (2008). A Lecture on the Study of History. Project Gutenberg.

Chicago Style (17th ed.) Citation

Acton, John Emerich Edward Dalberg Acton. A Lecture on the Study of History. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Acton, John Emerich Edward Dalberg Acton. A Lecture on the Study of History. Project Gutenberg, 2008.

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