APA (7th ed.) Citation

Ketcham, H. [. H. The Life of Charlemagne (Charles the Great).

Chicago Style (17th ed.) Citation

Ketcham, Henry [Annotator]; Hodgkin. The Life of Charlemagne (Charles the Great).

MLA (9th ed.) Citation

Ketcham, Henry [Annotator]; Hodgkin. The Life of Charlemagne (Charles the Great).

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